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Overview 115 matches · 0 in Waratek scope · 0 protected · 5 exploited · 1 CISA KEV · 18 public PoC · 4 EPSS ≥ 0.5

115matches 0in Waratek scope0.0% 0protected0.0% 5exploited4.3% 1CISA KEV0.9% 18public PoC15.7% 4EPSS ≥ 0.53.5%

Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 0 0.0% Outside Waratek scope 0 0.0% Not applicable 115 100.0% Withdrawn CVE 0 0.0%

Critical 9 7.8% High 52 45.2% Medium 49 42.6% Low 5 4.3% None 0 0.0% Unknown 0 0.0%

blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 115 100.0% not established 0 0.0% unrecorded 0 0.0%

Exploited 5 4.3% Working exploit published 14 12.2% Proof of concept only 10 8.7% Forecast only 0 0.0% No public exploit 86 74.8%

split by StatusSeverityProtectionExploit maturity peak 17 / year

1998200120042007201020132016201920222025

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CVE	Severity	Published▾	Status	Exploitation	Description
CVE-2025-62875	Medium	2025-11-20	Not applicable	Proof of concept only	An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD. This issue affects openSUSE Tumbleweed: from ? before 7.8.0p0-1.1.
CVE-2024-13908	High	2025-03-08	Not applicable	No public exploit	The SMTP by BestWebSoft plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'save_options' function in all versions up to, and including, 1.1.9. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
CVE-2024-13844	Medium	2025-03-08	Not applicable	No public exploit	The Post SMTP plugin for WordPress is vulnerable to generic SQL Injection via the ‘columns’ parameter in all versions up to, and including, 3.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
CVE-2025-0953	High	2025-02-22	Not applicable	No public exploit	The SMTP for Sendinblue – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2025-0918	High	2025-02-22	Not applicable	No public exploit	The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2025-0916	High	2025-02-19	Not applicable	No public exploit	The YaySMTP and Email Logs: Amazon SES, SendGrid, Outlook, Mailgun, Brevo, Google and Any SMTP Service plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions 2.4.9 to 2.6.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Note: The vulnerability has been initially patched in version 2.4.8 and was reintroduced in version 2.4.9 with the removal of the wp_kses_post() built-in WordPress sanitization function.
CVE-2025-0521	High	2025-02-18	Not applicable	No public exploit	The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject parameter in all versions up to, and including, 3.0.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2025-22800	High	2025-01-13	Not applicable	No public exploit	Missing Authorization vulnerability in Saad Iqbal Post SMTP post-smtp allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post SMTP: from n/a through <= 2.9.11.
CVE-2024-52436	High	2024-11-18	Not applicable	No public exploit	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saad Iqbal Post SMTP post-smtp allows Blind SQL Injection.This issue affects Post SMTP: from n/a through <= 2.9.9.
CVE-2024-50530	Critical	2024-11-04	Not applicable	No public exploit	Unrestricted Upload of File with Dangerous Type vulnerability in Myriad Solutionz Stars SMTP Mailer stars-smtp-mailer allows Upload a Web Shell to a Web Server.This issue affects Stars SMTP Mailer: from n/a through <= 2.2.1.
CVE-2024-8477	Medium	2024-10-10	Not applicable	No public exploit	The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1.87. This is due to missing or incorrect nonce validation on the Init() function. This makes it possible for unauthenticated attackers to log out of a Brevo connection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVE-2024-43287	High	2024-08-26	Not applicable	No public exploit	Cross-Site Request Forgery (CSRF) vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.82.
CVE-2024-3073	Low	2024-06-13	Not applicable	No public exploit	The Easy WP SMTP by SendLayer – WordPress SMTP and Email Log Plugin plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.3.0. This is due to plugin providing the SMTP password in the SMTP Password field when viewing the settings. This makes it possible for authenticated attackers, with administrative-level access and above, to view the SMTP password for the supplied server. Although this would not be useful for attackers in most cases, if an administrator account becomes compromised this could be useful information to an attacker in a limited environment.
CVE-2023-52233	Critical	2024-06-11	Not applicable	No public exploit	Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.
CVE-2024-35668	High	2024-06-04	Not applicable	No public exploit	Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue allows Reflected XSS.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.77.
CVE-2024-5207	High	2024-05-30	Not applicable	No public exploit	The POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications plugin for WordPress is vulnerable to time-based SQL Injection via the selected parameter in all versions up to, and including, 2.9.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with administrator access or higher to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
CVE-2024-29128	High	2024-03-19	Not applicable	No public exploit	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post SMTP POST SMTP allows Reflected XSS.This issue affects POST SMTP: from n/a through 2.8.6.
CVE-2024-27305	Medium	2024-03-12	Not applicable	No public exploit	aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send smuggle/spoof e-mails with fake sender addresses, allowing advanced phishing attacks. This issue is also existed in other SMTP software like Postfix. With the right SMTP server constellation, an attacker can send spoofed e-mails to inbound/receiving aiosmtpd instances. This issue has been addressed in version 1.4.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVE-2024-25914	High	2024-02-13	Not applicable	No public exploit	Cross-Site Request Forgery (CSRF) vulnerability in Photoboxone SMTP Mail.This issue affects SMTP Mail: from n/a through 1.3.20.
CVE-2023-3178	Medium	2024-01-16	Not applicable	Proof of concept only	The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability delete arbitrary logs via a CSRF attack.
CVE-2023-6620	High	2024-01-15	Not applicable	Proof of concept only	The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin.
CVE-2023-6875	Critical	2024-01-11	Not applicable	Exploited	The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a type juggling issue on the connect-app REST endpoint in all versions up to, and including, 2.8.7. This makes it possible for unauthenticated attackers to reset the API key used to authenticate to the mailer and view logs, including password reset emails, allowing site takeover. CVE-2023-52233 appears to be a duplicate of this issue.
CVE-2023-7027	High	2024-01-03	Not applicable	No public exploit	The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2023-6629	Medium	2024-01-03	Not applicable	No public exploit	The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘msg’ parameter in all versions up to, and including, 2.8.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. CVE-2023-6621 appears to be a duplicate of this issue. CVE-2024-29128 appears to be a duplicate of this issue.
CVE-2023-6621	Medium	2024-01-03	Not applicable	Proof of concept only	The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
CVE-2021-35975	Medium	2023-11-30	Not applicable	No public exploit	Absolute path traversal vulnerability in the Systematica SMTP Adapter component (up to v2.0.1.101) in Systematica Radius (up to v.3.9.256.777) allows remote attackers to read arbitrary files via a full pathname in GET parameter "file" in URL. Also: affected components in same product - HTTP Adapter (up to v.1.8.0.15), MSSQL MessageBus Proxy (up to v.1.1.06), Financial Calculator (up to v.1.3.05), FIX Adapter (up to v.2.4.0.25)
CVE-2023-5958	Medium	2023-11-27	Not applicable	No public exploit	The POST SMTP Mailer WordPress plugin before 2.7.1 does not escape email message content before displaying it in the backend, allowing an unauthenticated attacker to perform XSS attacks against highly privileged users.
CVE-2023-3213	Medium	2023-10-04	Not applicable	No public exploit	The WP Mail SMTP Pro plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the is_print_page function in versions up to, and including, 3.8.0. This makes it possible for unauthenticated attackers to disclose potentially sensitive email information.
CVE-2023-39441	Medium	2023-08-23	Not applicable	No public exploit	Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, and Apache Airflow before 2.7.0 are affected by the Validation of OpenSSL Certificate vulnerability. The default SSL context with SSL library did not check a server's X.509 certificate. Instead, the code accepted any certificate, which could result in the disclosure of mail server credentials or mail contents when the client connects to an attacker in a MITM position. Users are strongly advised to upgrade to Apache Airflow version 2.7.0 or newer, Apache Airflow IMAP Provider version 3.3.0 or newer, and Apache Airflow SMTP Provider version 1.3.0 or newer to mitigate the risk associated with this vulnerability
CVE-2023-3179	High	2023-07-17	Not applicable	Proof of concept only	The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability resend an email to an arbitrary address (for example a password reset email could be resent to an attacker controlled email, and allow them to take over an account).
CVE-2023-3093	High	2023-07-12	Not applicable	No public exploit	The YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.4.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2023-3092	High	2023-07-12	Not applicable	No public exploit	The SMTP Mail plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 1.3.46 due to insufficient input sanitization and output escaping when the 'Save Data SendMail' feature is enabled. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2023-3087	High	2023-07-12	Not applicable	No public exploit	The FluentSMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 2.2.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2023-3082	High	2023-07-12	Not applicable	No public exploit	The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.5.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2021-4422	Medium	2023-07-12	Not applicable	No public exploit	The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.20. This is due to missing or incorrect nonce validation on the handleCsvExport() function. This makes it possible for unauthenticated attackers to trigger a CSV export via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVE-2023-28496	Medium	2023-06-22	Not applicable	No public exploit	Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in SMTP2GO – Email Made Easy plugin <= 1.4.2 versions.
CVE-2019-25141	Critical	2023-06-07	Not applicable	Exploited	The Easy WP SMTP plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 1.3.9. This is due to missing capability checks on the admin_init() function, in addition to insufficient input validation. This makes it possible for unauthenticated attackers to modify the plugins settings and arbitrary options on the site that can be used to inject new administrative user accounts.
CVE-2023-2472	Medium	2023-06-05	Not applicable	Proof of concept only	The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.61 does not sanitise and escape a parameter before outputting it back in the admin dashboard when the WPML plugin is also active and configured, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
CVE-2023-1090	Medium	2023-05-02	Not applicable	Proof of concept only	The SMTP Mailing Queue WordPress plugin before 2.0.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
CVE-2023-29323	High	2023-04-04	Not applicable	No public exploit	ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
CVE-2023-0219	Medium	2023-03-13	Not applicable	Proof of concept only	The FluentSMTP WordPress plugin before 2.2.3 does not sanitize or escape email content, making it vulnerable to stored cross-site scripting attacks (XSS) when an administrator views the email logs. This exploit requires other plugins to enable users to send emails with unfiltered HTML.
CVE-2022-45833	Medium	2022-12-06	Not applicable	No public exploit	Auth. Path Traversal vulnerability in Easy WP SMTP plugin <= 1.5.1 on WordPress.
CVE-2022-45829	High	2022-12-06	Not applicable	No public exploit	Auth. Path Traversal vulnerability in Easy WP SMTP plugin <= 1.5.1 at WordPress.
CVE-2022-42699	Critical	2022-12-06	Not applicable	Exploited	Auth. Remote Code Execution vulnerability in Easy WP SMTP plugin <= 1.5.1 on WordPress.
CVE-2022-3334	High	2022-10-31	Not applicable	Proof of concept only	The Easy WP SMTP WordPress plugin before 1.5.0 unserialises the content of an imported file, which could lead to PHP object injection issue when an admin import (intentionally or not) a malicious file and a suitable gadget chain is present on the blog.
CVE-2022-2352	High	2022-09-26	Not applicable	Proof of concept only	The Post SMTP Mailer/Email Log WordPress plugin before 2.1.7 does not have proper authorisation in some AJAX actions, which could allow high privilege users such as admin to perform blind SSRF on multisite installations for example.
CVE-2022-2351	Medium	2022-09-16	Not applicable	No public exploit	The Post SMTP Mailer/Email Log WordPress plugin before 2.1.4 does not escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.
CVE-2022-2372	Medium	2022-08-08	Not applicable	No public exploit	The YaySMTP WordPress plugin before 2.2.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks when the unfiltered_html capability is disallowed (for example in multisite setup)
CVE-2022-2371	Medium	2022-08-08	Not applicable	No public exploit	The YaySMTP WordPress plugin before 2.2.1 does not have proper authorisation when saving its settings, allowing users with a role as low as subscriber to change them, and use that to conduct Stored Cross-Site Scripting attack due to the lack of escaping in them as well.
CVE-2022-2370	Medium	2022-08-01	Not applicable	No public exploit	The YaySMTP WordPress plugin before 2.2.1 does not have capability check before displaying the Mailer Credentials in JS code for the settings, allowing any authenticated users, such as subscriber to retrieve them
CVE-2022-2369	Medium	2022-08-01	Not applicable	No public exploit	The YaySMTP WordPress plugin before 2.2.1 does not have capability check in an AJAX action, allowing any logged in users, such as subscriber to view the Logs of the plugin
CVE-2022-1612	Medium	2022-06-13	Not applicable	No public exploit	The Webriti SMTP Mail WordPress plugin through 1.0 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack
CVE-2021-24874	Medium	2022-02-14	Not applicable	No public exploit	The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
CVE-2021-24923	Medium	2022-01-24	Not applicable	No public exploit	The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.25 does not escape the sib-statistics-date parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue
CVE-2021-24528	Medium	2021-08-30	Not applicable	No public exploit	The FluentSMTP WordPress plugin before 2.0.1 does not sanitize parameters before storing the settings in the database, nor does the plugin escape the values before outputting them when viewing the SMTP settings set by this plugin, leading to a stored cross site scripting (XSS) vulnerability. Only users with roles capable of managing plugins can modify the plugin's settings.
CVE-2021-29400	Medium	2021-08-10	Not applicable	No public exploit	A cross-site request forgery (CSRF) vulnerability in the My SMTP Contact v1.1.1 plugin for GetSimple CMS allows remote attackers to change the SMTP settings of the contact forms for the webpages of the CMS after an authenticated admin visits a malicious third-party site.
CVE-2020-35680	High	2020-12-24	Not applicable	No public exploit	smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
CVE-2020-35679	High	2020-12-24	Not applicable	No public exploit	smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
CVE-2020-35234	High	2020-12-14	Not applicable	Exploited	The easy-wp-smtp plugin before 1.4.4 for WordPress allows Administrator account takeover, as exploited in the wild in December 2020. If an attacker can list the wp-content/plugins/easy-wp-smtp/ directory, then they can discover a log file (such as #############_debug_log.txt) that contains all password-reset links. The attacker can request a reset of the Administrator password and then use a link found there.
CVE-2020-8794	Critical	2020-02-25	Not applicable	Working exploit published	OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.
CVE-2020-8793	Medium	2020-02-25	Not applicable	Working exploit published	OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.
CVE-2020-7247	Critical	2020-01-29	Not applicable	Exploited	smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.
CVE-2019-19977	Critical	2019-12-26	Not applicable	No public exploit	libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.
CVE-2017-18603	Medium	2019-09-10	Not applicable	No public exploit	The postman-smtp plugin through 2017-10-04 for WordPress has XSS via the wp-admin/tools.php?page=postman_email_log page parameter.
CVE-2017-18518	Medium	2019-08-20	Not applicable	Working exploit published	The bws-smtp plugin before 1.1.0 for WordPress has multiple XSS issues.
CVE-2019-8337	Medium	2019-02-13	Not applicable	No public exploit	In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
CVE-2017-16659	High	2017-11-08	Not applicable	No public exploit	The Gentoo mail-filter/assp package 1.9.8.13030 and earlier allows local users to gain privileges by leveraging access to the assp user account to install a Trojan horse /usr/share/assp/assp.pl script.
CVE-2015-7687	Critical	2017-10-16	Not applicable	No public exploit	Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
CVE-2017-2171	Medium	2017-05-22	Not applicable	No public exploit	Cross-site scripting vulnerability in Captcha prior to version 4.3.0, Car Rental prior to version 1.0.5, Contact Form Multi prior to version 1.2.1, Contact Form prior to version 4.0.6, Contact Form to DB prior to version 1.5.7, Custom Admin Page prior to version 0.1.2, Custom Fields Search prior to version 1.3.2, Custom Search prior to version 1.36, Donate prior to version 2.1.1, Email Queue prior to version 1.1.2, Error Log Viewer prior to version 1.0.6, Facebook Button prior to version 2.54, Featured Posts prior to version 1.0.1, Gallery Categories prior to version 1.0.9, Gallery prior to version 4.5.0, Google +1 prior to version 1.3.4, Google AdSense prior to version 1.44, Google Analytics prior to version 1.7.1, Google Captcha (reCAPTCHA) prior to version 1.28, Google Maps prior to version 1.3.6, Google Shortlink prior to version 1.5.3, Google Sitemap prior to version 3.0.8, Htaccess prior to version 1.7.6, Job Board prior to version 1.1.3, Latest Posts prior to version 0.3, Limit Attempts prior to version 1.1.8, LinkedIn prior to version 1.0.5, Multilanguage prior to version 1.2.2, PDF & Print prior to version 1.9.4, Pagination prior to version 1.0.7, Pinterest prior to version 1.0.5, Popular Posts prior to version 1.0.5, Portfolio prior to version 2.4, Post to CSV prior to version 1.3.1, Profile Extra prior to version 1.0.7. PromoBar prior to version 1.1.1, Quotes and Tips prior to version 1.32, Re-attacher prior to version 1.0.9, Realty prior to version 1.1.0, Relevant - Related Posts prior to version 1.2.0, Sender prior to version 1.2.1, SMTP prior to version 1.1.0, Social Buttons Pack prior to version 1.1.1, Subscriber prior to version 1.3.5, Testimonials prior to version 0.1.9, Timesheet prior to version 0.1.5, Twitter Button prior to version 2.55, User Role prior to version 1.5.6, Updater prior to version 1.35, Visitors Online prior to version 1.0.0, and Zendesk Help Center prior to version 1.0.5 allows remote attackers to inject arbitrary web script or HTML via the function to display the BestWebSoft menu.
CVE-2017-7723	Medium	2017-04-24	Not applicable	No public exploit	XSS exists in Easy WP SMTP (before 1.2.5), a WordPress Plugin, via the e-mail subject or body.
CVE-2013-2125	Medium	2014-05-27	Not applicable	No public exploit	OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.
CVE-2008-7258	Low	2010-08-20	Not applicable	Working exploit published	The standardise function in Anibal Monsalve Salazar sSMTP 2.61 and 2.62 allows local users to cause a denial of service (application exit) via an e-mail message containing a long line that begins with a . (dot) character. NOTE: CVE disputes this issue because it is solely a usability problem for senders of messages with certain long lines, and has no security impact
CVE-2010-1194	Medium	2010-03-31	Not applicable	No public exploit	The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.
CVE-2010-1192	Medium	2010-03-31	Not applicable	No public exploit	libESMTP, probably 1.0.4 and earlier, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
CVE-2009-3942	Medium	2009-11-16	Not applicable	No public exploit	Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
CVE-2008-2831	Low	2008-10-02	Not applicable	No public exploit	Multiple cross-site scripting (XSS) vulnerabilities in the delegated spam management feature in the Spam Quarantine Management (SQM) component in MailMarshal SMTP 6.0.3.8 through 6.3.0.0 allow user-assisted remote authenticated users to inject arbitrary web script or HTML via (1) the list of blocked senders or (2) the list of safe senders.
CVE-2008-3962	Low	2008-09-11	Not applicable	No public exploit	The from_format function in ssmtp.c in ssmtp 2.61 and 2.62, in certain configurations, uses uninitialized memory for the From: field of an e-mail message, which might allow remote attackers to obtain sensitive information (memory contents) in opportunistic circumstances by reading a message.
CVE-2008-1438	Medium	2008-05-13	Not applicable	No public exploit	Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in multiple Microsoft products, allows context-dependent attackers to cause a denial of service (disk space exhaustion) via a file with "crafted data structures" that trigger the creation of large temporary files, a different vulnerability than CVE-2008-1437.
CVE-2008-1437	Medium	2008-05-13	Not applicable	No public exploit	Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in multiple Microsoft products, allows context-dependent attackers to cause a denial of service (engine hang and restart) via a crafted file, a different vulnerability than CVE-2008-1438.
CVE-2008-0394	High	2008-01-23	Not applicable	Working exploit published	Buffer overflow in Citadel SMTP server 7.10 and earlier allows remote attackers to execute arbitrary code via a long RCPT TO command, which is not properly handled by the makeuserkey function. NOTE: some of these details were obtained from third party information.
CVE-2007-6573	High	2007-12-28	Not applicable	No public exploit	QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.
CVE-2007-3796	High	2007-07-17	Not applicable	No public exploit	The password reset feature in the Spam Quarantine HTTP interface for MailMarshal SMTP 6.2.0.x before 6.2.1 allows remote attackers to modify arbitrary account information via a UserId variable with a large amount of trailing whitespace followed by a malicious value, which triggers SQL buffer truncation due to length inconsistencies between variables.
CVE-2006-5487	High	2006-11-10	Not applicable	No public exploit	Directory traversal vulnerability in Marshal MailMarshal SMTP 5.x, 6.x, and 2006, and MailMarshal for Exchange 5.x, allows remote attackers to write arbitrary files via ".." sequences in filenames in an ARJ compressed archive.
CVE-2006-5551	High	2006-10-26	Not applicable	Working exploit published	Stack-based buffer overflow in QK SMTP 3.01 and earlier might allow remote attackers to execute arbitrary code via a long argument to the RCPT TO command.
CVE-2006-4258	Medium	2006-08-21	Not applicable	No public exploit	Absolute path traversal vulnerability in the get functionality in Anti-Spam SMTP Proxy (ASSP) allows remote authenticated users to read arbitrary files via (1) C:\ (Windows drive letter), (2) UNC, and possibly other types of paths in the file parameter.
CVE-2006-3216	Medium	2006-06-24	Not applicable	No public exploit	Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.
CVE-2006-3215	High	2006-06-24	Not applicable	No public exploit	Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to bypass the "text analysis", possibly bypassing SPAM and other filters, by sending an e-mail specifying a non-existent or unrecognized character set.
CVE-2006-2107	High	2006-04-29	Not applicable	Working exploit published	Buffer overflow in BL4 SMTP Server 0.1.4 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long argument to the (1) EHLO, (2) MAIL FROM, and (3) RCPT TO commands.
CVE-2006-0559	High	2006-04-04	Not applicable	No public exploit	Format string vulnerability in the SMTP server for McAfee WebShield 4.5 MR2 and earlier allows remote attackers to execute arbitrary code via format strings in the domain name portion of a destination address, which are not properly handled when a bounce message is constructed.
CVE-2006-0447	High	2006-01-27	Not applicable	No public exploit	Multiple buffer overflows in E-Post Mail Server 4.10 and SPA-PRO Mail @Solomon 4.00 allow remote attackers to execute arbitrary code via a long username to the (1) AUTH PLAIN or (2) AUTH LOGIN SMTP commands, which is not properly handled by (a) EPSTRS.EXE or (b) SPA-RS.EXE; (3) a long username in the APOP POP3 command, which is not properly handled by (c) EPSTPOP4S.EXE or (d) SPA-POP3S.EXE; (4) a long IMAP DELETE command, which is not properly handled by (e) EPSTIMAP4S.EXE or (f) SPA-IMAP4S.EXE.
CVE-2005-4324	High	2005-12-17	Not applicable	No public exploit	Hitachi Groupmax Mail SMTP 06-50 through 06-52-/A and 07-00 through 07-20 allows remote attackers to cause a denial of service (service stop) via an e-mail message with an "invalid format."
CVE-2005-2857	High	2005-09-08	Not applicable	Working exploit published	Free SMTP Server 2.2 allows remote attackers to use the server as an open mail relay (spam proxy).
CVE-2005-2409	High	2005-08-01	Not applicable	Working exploit published	Format string vulnerability in util.c in nbsmtp 0.99 and earlier, while running in debug mode, allows remote attackers to execute arbitrary code via format string specifiers that are not properly handled in a syslog call.
CVE-2005-2387	High	2005-07-27	Not applicable	No public exploit	Multiple stack-based buffer overflows in GoodTech SMTP server 5.16 allow remote attackers to execute arbitrary code via (1) a RCPT TO command with a long DNS name, or (2) a large number of RCPT TO commands with a long e-mail name arugment in the last command.
CVE-2005-1931	Medium	2005-07-05	Not applicable	Working exploit published	GoodTech SMTP Server 5.14 allows remote attackers to cause a denial of service (application crash) via a RCPT TO command with an invalid argument, as demonstrated using an "A" character.
CVE-2005-0107	High	2005-02-25	Not applicable	No public exploit	bsmtpd 2.3 and earlier does not properly sanitize e-mail addresses, which allows remote attackers to execute arbitrary commands.
CVE-2004-1291	High	2005-01-10	Not applicable	Working exploit published	Buffer overflow in qwik-smtpd allows remote attackers to use the server as an SMTP spam relay via a long HELO command, which overwrites the adjacent localIP data buffer.
CVE-2004-2703	Medium	2004-12-31	Not applicable	No public exploit	Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".
CVE-2004-2677	High	2004-12-31	Not applicable	Working exploit published	Format string vulnerability in qwik-smtpd.c in QwikMail SMTP (qwik-smtpd) 0.3 and earlier allows remote attackers to execute arbitrary code via format specifiers in the (1) clientRcptTo array, and the (2) Received and (3) messageID variables, possibly involving HELO and hostname arguments.
CVE-2004-2417	High	2004-12-31	Not applicable	No public exploit	Format string vulnerability in smtp.c for smtp.proxy 1.1.3 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the (1) client hostname or (2) message-id, which are injected into a syslog message.

CVE

Severity

Published▾

Status

Exploitation

Description

CVE-2025-62875

Medium

2025-11-20

Not applicable

Proof of concept only

An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD. This issue affects openSUSE Tumbleweed: from ? before 7.8.0p0-1.1.

CVE-2024-13908

High

2025-03-08

Not applicable

No public exploit

The SMTP by BestWebSoft plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'save_options' function in all versions up to, and including, 1.1.9. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

CVE-2024-13844

Medium

2025-03-08

Not applicable

No public exploit

The Post SMTP plugin for WordPress is vulnerable to generic SQL Injection via the ‘columns’ parameter in all versions up to, and including, 3.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

CVE-2025-0953

High

2025-02-22

Not applicable

No public exploit

The SMTP for Sendinblue – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2025-0918

High

2025-02-22

Not applicable

No public exploit

The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2025-0916

High

2025-02-19

Not applicable

No public exploit

The YaySMTP and Email Logs: Amazon SES, SendGrid, Outlook, Mailgun, Brevo, Google and Any SMTP Service plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions 2.4.9 to 2.6.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Note: The vulnerability has been initially patched in version 2.4.8 and was reintroduced in version 2.4.9 with the removal of the wp_kses_post() built-in WordPress sanitization function.

CVE-2025-0521

High

2025-02-18

Not applicable

No public exploit

The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject parameter in all versions up to, and including, 3.0.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2025-22800

High

2025-01-13

Not applicable

No public exploit

Missing Authorization vulnerability in Saad Iqbal Post SMTP post-smtp allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post SMTP: from n/a through <= 2.9.11.

CVE-2024-52436

High

2024-11-18

Not applicable

No public exploit

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saad Iqbal Post SMTP post-smtp allows Blind SQL Injection.This issue affects Post SMTP: from n/a through <= 2.9.9.

CVE-2024-50530

Critical

2024-11-04

Not applicable

No public exploit

Unrestricted Upload of File with Dangerous Type vulnerability in Myriad Solutionz Stars SMTP Mailer stars-smtp-mailer allows Upload a Web Shell to a Web Server.This issue affects Stars SMTP Mailer: from n/a through <= 2.2.1.

CVE-2024-8477

Medium

2024-10-10

Not applicable

No public exploit

The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1.87. This is due to missing or incorrect nonce validation on the Init() function. This makes it possible for unauthenticated attackers to log out of a Brevo connection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVE-2024-43287

High

2024-08-26

Not applicable

No public exploit

Cross-Site Request Forgery (CSRF) vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.82.

CVE-2024-3073

Low

2024-06-13

Not applicable

No public exploit

The Easy WP SMTP by SendLayer – WordPress SMTP and Email Log Plugin plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.3.0. This is due to plugin providing the SMTP password in the SMTP Password field when viewing the settings. This makes it possible for authenticated attackers, with administrative-level access and above, to view the SMTP password for the supplied server. Although this would not be useful for attackers in most cases, if an administrator account becomes compromised this could be useful information to an attacker in a limited environment.

CVE-2023-52233

Critical

2024-06-11

Not applicable

No public exploit

Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.

CVE-2024-35668

High

2024-06-04

Not applicable

No public exploit

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue allows Reflected XSS.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.77.

CVE-2024-5207

High

2024-05-30

Not applicable

No public exploit

The POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications plugin for WordPress is vulnerable to time-based SQL Injection via the selected parameter in all versions up to, and including, 2.9.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with administrator access or higher to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

CVE-2024-29128

High

2024-03-19

Not applicable

No public exploit

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post SMTP POST SMTP allows Reflected XSS.This issue affects POST SMTP: from n/a through 2.8.6.

CVE-2024-27305

Medium

2024-03-12

Not applicable

No public exploit

aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send smuggle/spoof e-mails with fake sender addresses, allowing advanced phishing attacks. This issue is also existed in other SMTP software like Postfix. With the right SMTP server constellation, an attacker can send spoofed e-mails to inbound/receiving aiosmtpd instances. This issue has been addressed in version 1.4.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVE-2024-25914

High

2024-02-13

Not applicable

No public exploit

Cross-Site Request Forgery (CSRF) vulnerability in Photoboxone SMTP Mail.This issue affects SMTP Mail: from n/a through 1.3.20.

CVE-2023-3178

Medium

2024-01-16

Not applicable

Proof of concept only

CVE-2023-6620

High

2024-01-15

Not applicable

Proof of concept only

The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin.

CVE-2023-6875

Critical

2024-01-11

Not applicable

Exploited

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a type juggling issue on the connect-app REST endpoint in all versions up to, and including, 2.8.7. This makes it possible for unauthenticated attackers to reset the API key used to authenticate to the mailer and view logs, including password reset emails, allowing site takeover. CVE-2023-52233 appears to be a duplicate of this issue.

CVE-2023-7027

High

2024-01-03

Not applicable

No public exploit

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2023-6629

Medium

2024-01-03

Not applicable

No public exploit

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘msg’ parameter in all versions up to, and including, 2.8.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. CVE-2023-6621 appears to be a duplicate of this issue. CVE-2024-29128 appears to be a duplicate of this issue.

CVE-2023-6621

Medium

2024-01-03

Not applicable

Proof of concept only

The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

CVE-2021-35975

Medium

2023-11-30

Not applicable

No public exploit

Absolute path traversal vulnerability in the Systematica SMTP Adapter component (up to v2.0.1.101) in Systematica Radius (up to v.3.9.256.777) allows remote attackers to read arbitrary files via a full pathname in GET parameter "file" in URL. Also: affected components in same product - HTTP Adapter (up to v.1.8.0.15), MSSQL MessageBus Proxy (up to v.1.1.06), Financial Calculator (up to v.1.3.05), FIX Adapter (up to v.2.4.0.25)

CVE-2023-5958

Medium

2023-11-27

Not applicable

No public exploit

The POST SMTP Mailer WordPress plugin before 2.7.1 does not escape email message content before displaying it in the backend, allowing an unauthenticated attacker to perform XSS attacks against highly privileged users.

CVE-2023-3213

Medium

2023-10-04

Not applicable

No public exploit

The WP Mail SMTP Pro plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the is_print_page function in versions up to, and including, 3.8.0. This makes it possible for unauthenticated attackers to disclose potentially sensitive email information.

CVE-2023-39441

Medium

2023-08-23

Not applicable

No public exploit

Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, and Apache Airflow before 2.7.0 are affected by the Validation of OpenSSL Certificate vulnerability. The default SSL context with SSL library did not check a server's X.509 certificate. Instead, the code accepted any certificate, which could result in the disclosure of mail server credentials or mail contents when the client connects to an attacker in a MITM position. Users are strongly advised to upgrade to Apache Airflow version 2.7.0 or newer, Apache Airflow IMAP Provider version 3.3.0 or newer, and Apache Airflow SMTP Provider version 1.3.0 or newer to mitigate the risk associated with this vulnerability

CVE-2023-3179

High

2023-07-17

Not applicable

Proof of concept only

The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability resend an email to an arbitrary address (for example a password reset email could be resent to an attacker controlled email, and allow them to take over an account).

CVE-2023-3093

High

2023-07-12

Not applicable

No public exploit

The YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.4.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2023-3092

High

2023-07-12

Not applicable

No public exploit

The SMTP Mail plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 1.3.46 due to insufficient input sanitization and output escaping when the 'Save Data SendMail' feature is enabled. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2023-3087

High

2023-07-12

Not applicable

No public exploit

The FluentSMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 2.2.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2023-3082

High

2023-07-12

Not applicable

No public exploit

The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.5.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVE-2021-4422

Medium

2023-07-12

Not applicable

No public exploit

The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.20. This is due to missing or incorrect nonce validation on the handleCsvExport() function. This makes it possible for unauthenticated attackers to trigger a CSV export via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVE-2023-28496

Medium

2023-06-22

Not applicable

No public exploit

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in SMTP2GO – Email Made Easy plugin <= 1.4.2 versions.

CVE-2019-25141

Critical

2023-06-07

Not applicable

Exploited

The Easy WP SMTP plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 1.3.9. This is due to missing capability checks on the admin_init() function, in addition to insufficient input validation. This makes it possible for unauthenticated attackers to modify the plugins settings and arbitrary options on the site that can be used to inject new administrative user accounts.

CVE-2023-2472

Medium

2023-06-05

Not applicable

Proof of concept only

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.61 does not sanitise and escape a parameter before outputting it back in the admin dashboard when the WPML plugin is also active and configured, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

CVE-2023-1090

Medium

2023-05-02

Not applicable

Proof of concept only

The SMTP Mailing Queue WordPress plugin before 2.0.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

CVE-2023-29323

High

2023-04-04

Not applicable

No public exploit

ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.

CVE-2023-0219

Medium

2023-03-13

Not applicable

Proof of concept only

The FluentSMTP WordPress plugin before 2.2.3 does not sanitize or escape email content, making it vulnerable to stored cross-site scripting attacks (XSS) when an administrator views the email logs. This exploit requires other plugins to enable users to send emails with unfiltered HTML.

CVE-2022-45833

Medium

2022-12-06

Not applicable

No public exploit

Auth. Path Traversal vulnerability in Easy WP SMTP plugin <= 1.5.1 on WordPress.

CVE-2022-45829

High

2022-12-06

Not applicable

No public exploit

Auth. Path Traversal vulnerability in Easy WP SMTP plugin <= 1.5.1 at WordPress.

CVE-2022-42699

Critical

2022-12-06

Not applicable

Exploited

Auth. Remote Code Execution vulnerability in Easy WP SMTP plugin <= 1.5.1 on WordPress.

CVE-2022-3334

High

2022-10-31

Not applicable

Proof of concept only

The Easy WP SMTP WordPress plugin before 1.5.0 unserialises the content of an imported file, which could lead to PHP object injection issue when an admin import (intentionally or not) a malicious file and a suitable gadget chain is present on the blog.

CVE-2022-2352

High

2022-09-26

Not applicable

Proof of concept only

The Post SMTP Mailer/Email Log WordPress plugin before 2.1.7 does not have proper authorisation in some AJAX actions, which could allow high privilege users such as admin to perform blind SSRF on multisite installations for example.

CVE-2022-2351

Medium

2022-09-16

Not applicable

No public exploit

The Post SMTP Mailer/Email Log WordPress plugin before 2.1.4 does not escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.

CVE-2022-2372

Medium

2022-08-08

Not applicable

No public exploit

The YaySMTP WordPress plugin before 2.2.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks when the unfiltered_html capability is disallowed (for example in multisite setup)

CVE-2022-2371

Medium

2022-08-08

Not applicable

No public exploit

The YaySMTP WordPress plugin before 2.2.1 does not have proper authorisation when saving its settings, allowing users with a role as low as subscriber to change them, and use that to conduct Stored Cross-Site Scripting attack due to the lack of escaping in them as well.

CVE-2022-2370

Medium

2022-08-01

Not applicable

No public exploit

The YaySMTP WordPress plugin before 2.2.1 does not have capability check before displaying the Mailer Credentials in JS code for the settings, allowing any authenticated users, such as subscriber to retrieve them

CVE-2022-2369

Medium

2022-08-01

Not applicable

No public exploit

The YaySMTP WordPress plugin before 2.2.1 does not have capability check in an AJAX action, allowing any logged in users, such as subscriber to view the Logs of the plugin

CVE-2022-1612

Medium

2022-06-13

Not applicable

No public exploit

The Webriti SMTP Mail WordPress plugin through 1.0 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack

CVE-2021-24874

Medium

2022-02-14

Not applicable

No public exploit

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

CVE-2021-24923

Medium

2022-01-24

Not applicable

No public exploit

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.25 does not escape the sib-statistics-date parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

CVE-2021-24528

Medium

2021-08-30

Not applicable

No public exploit

The FluentSMTP WordPress plugin before 2.0.1 does not sanitize parameters before storing the settings in the database, nor does the plugin escape the values before outputting them when viewing the SMTP settings set by this plugin, leading to a stored cross site scripting (XSS) vulnerability. Only users with roles capable of managing plugins can modify the plugin's settings.

CVE-2021-29400

Medium

2021-08-10

Not applicable

No public exploit

A cross-site request forgery (CSRF) vulnerability in the My SMTP Contact v1.1.1 plugin for GetSimple CMS allows remote attackers to change the SMTP settings of the contact forms for the webpages of the CMS after an authenticated admin visits a malicious third-party site.

CVE-2020-35680

High

2020-12-24

Not applicable

No public exploit

smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.

CVE-2020-35679

High

2020-12-24

Not applicable

No public exploit

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.

CVE-2020-35234

High

2020-12-14

Not applicable

Exploited

The easy-wp-smtp plugin before 1.4.4 for WordPress allows Administrator account takeover, as exploited in the wild in December 2020. If an attacker can list the wp-content/plugins/easy-wp-smtp/ directory, then they can discover a log file (such as #############_debug_log.txt) that contains all password-reset links. The attacker can request a reset of the Administrator password and then use a link found there.

CVE-2020-8794

Critical

2020-02-25

Not applicable

Working exploit published

OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.

CVE-2020-8793

Medium

2020-02-25

Not applicable

Working exploit published

OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.

CVE-2020-7247

Critical

2020-01-29

Not applicable

Exploited

smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.

CVE-2019-19977

Critical

2019-12-26

Not applicable

No public exploit

libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.

CVE-2017-18603

Medium

2019-09-10

Not applicable

No public exploit

The postman-smtp plugin through 2017-10-04 for WordPress has XSS via the wp-admin/tools.php?page=postman_email_log page parameter.

CVE-2017-18518

Medium

2019-08-20

Not applicable

Working exploit published

The bws-smtp plugin before 1.1.0 for WordPress has multiple XSS issues.

CVE-2019-8337

Medium

2019-02-13

Not applicable

No public exploit

In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.

CVE-2017-16659

High

2017-11-08

Not applicable

No public exploit

The Gentoo mail-filter/assp package 1.9.8.13030 and earlier allows local users to gain privileges by leveraging access to the assp user account to install a Trojan horse /usr/share/assp/assp.pl script.

CVE-2015-7687

Critical

2017-10-16

Not applicable

No public exploit

Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.

CVE-2017-2171

Medium

2017-05-22

Not applicable

No public exploit

Cross-site scripting vulnerability in Captcha prior to version 4.3.0, Car Rental prior to version 1.0.5, Contact Form Multi prior to version 1.2.1, Contact Form prior to version 4.0.6, Contact Form to DB prior to version 1.5.7, Custom Admin Page prior to version 0.1.2, Custom Fields Search prior to version 1.3.2, Custom Search prior to version 1.36, Donate prior to version 2.1.1, Email Queue prior to version 1.1.2, Error Log Viewer prior to version 1.0.6, Facebook Button prior to version 2.54, Featured Posts prior to version 1.0.1, Gallery Categories prior to version 1.0.9, Gallery prior to version 4.5.0, Google +1 prior to version 1.3.4, Google AdSense prior to version 1.44, Google Analytics prior to version 1.7.1, Google Captcha (reCAPTCHA) prior to version 1.28, Google Maps prior to version 1.3.6, Google Shortlink prior to version 1.5.3, Google Sitemap prior to version 3.0.8, Htaccess prior to version 1.7.6, Job Board prior to version 1.1.3, Latest Posts prior to version 0.3, Limit Attempts prior to version 1.1.8, LinkedIn prior to version 1.0.5, Multilanguage prior to version 1.2.2, PDF & Print prior to version 1.9.4, Pagination prior to version 1.0.7, Pinterest prior to version 1.0.5, Popular Posts prior to version 1.0.5, Portfolio prior to version 2.4, Post to CSV prior to version 1.3.1, Profile Extra prior to version 1.0.7. PromoBar prior to version 1.1.1, Quotes and Tips prior to version 1.32, Re-attacher prior to version 1.0.9, Realty prior to version 1.1.0, Relevant - Related Posts prior to version 1.2.0, Sender prior to version 1.2.1, SMTP prior to version 1.1.0, Social Buttons Pack prior to version 1.1.1, Subscriber prior to version 1.3.5, Testimonials prior to version 0.1.9, Timesheet prior to version 0.1.5, Twitter Button prior to version 2.55, User Role prior to version 1.5.6, Updater prior to version 1.35, Visitors Online prior to version 1.0.0, and Zendesk Help Center prior to version 1.0.5 allows remote attackers to inject arbitrary web script or HTML via the function to display the BestWebSoft menu.

CVE-2017-7723

Medium

2017-04-24

Not applicable

No public exploit

XSS exists in Easy WP SMTP (before 1.2.5), a WordPress Plugin, via the e-mail subject or body.

CVE-2013-2125

Medium

2014-05-27

Not applicable

No public exploit

OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.

CVE-2008-7258

Low

2010-08-20

Not applicable

Working exploit published

The standardise function in Anibal Monsalve Salazar sSMTP 2.61 and 2.62 allows local users to cause a denial of service (application exit) via an e-mail message containing a long line that begins with a . (dot) character. NOTE: CVE disputes this issue because it is solely a usability problem for senders of messages with certain long lines, and has no security impact

CVE-2010-1194

Medium

2010-03-31

Not applicable

No public exploit

The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.

CVE-2010-1192

Medium

2010-03-31

Not applicable

No public exploit

libESMTP, probably 1.0.4 and earlier, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

CVE-2009-3942

Medium

2009-11-16

Not applicable

No public exploit

Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

CVE-2008-2831

Low

2008-10-02

Not applicable

No public exploit

Multiple cross-site scripting (XSS) vulnerabilities in the delegated spam management feature in the Spam Quarantine Management (SQM) component in MailMarshal SMTP 6.0.3.8 through 6.3.0.0 allow user-assisted remote authenticated users to inject arbitrary web script or HTML via (1) the list of blocked senders or (2) the list of safe senders.

CVE-2008-3962

Low

2008-09-11

Not applicable

No public exploit

The from_format function in ssmtp.c in ssmtp 2.61 and 2.62, in certain configurations, uses uninitialized memory for the From: field of an e-mail message, which might allow remote attackers to obtain sensitive information (memory contents) in opportunistic circumstances by reading a message.

CVE-2008-1438

Medium

2008-05-13

Not applicable

No public exploit

Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in multiple Microsoft products, allows context-dependent attackers to cause a denial of service (disk space exhaustion) via a file with "crafted data structures" that trigger the creation of large temporary files, a different vulnerability than CVE-2008-1437.

CVE-2008-1437

Medium

2008-05-13

Not applicable

No public exploit

Unspecified vulnerability in Microsoft Malware Protection Engine (mpengine.dll) 1.1.3520.0 and 0.1.13.192, as used in multiple Microsoft products, allows context-dependent attackers to cause a denial of service (engine hang and restart) via a crafted file, a different vulnerability than CVE-2008-1438.

CVE-2008-0394

High

2008-01-23

Not applicable

Working exploit published

Buffer overflow in Citadel SMTP server 7.10 and earlier allows remote attackers to execute arbitrary code via a long RCPT TO command, which is not properly handled by the makeuserkey function. NOTE: some of these details were obtained from third party information.

CVE-2007-6573

High

2007-12-28

Not applicable

No public exploit

QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.

CVE-2007-3796

High

2007-07-17

Not applicable

No public exploit

The password reset feature in the Spam Quarantine HTTP interface for MailMarshal SMTP 6.2.0.x before 6.2.1 allows remote attackers to modify arbitrary account information via a UserId variable with a large amount of trailing whitespace followed by a malicious value, which triggers SQL buffer truncation due to length inconsistencies between variables.

CVE-2006-5487

High

2006-11-10

Not applicable

No public exploit

Directory traversal vulnerability in Marshal MailMarshal SMTP 5.x, 6.x, and 2006, and MailMarshal for Exchange 5.x, allows remote attackers to write arbitrary files via ".." sequences in filenames in an ARJ compressed archive.

CVE-2006-5551

High

2006-10-26

Not applicable

Working exploit published

Stack-based buffer overflow in QK SMTP 3.01 and earlier might allow remote attackers to execute arbitrary code via a long argument to the RCPT TO command.

CVE-2006-4258

Medium

2006-08-21

Not applicable

No public exploit

Absolute path traversal vulnerability in the get functionality in Anti-Spam SMTP Proxy (ASSP) allows remote authenticated users to read arbitrary files via (1) C:\ (Windows drive letter), (2) UNC, and possibly other types of paths in the file parameter.

CVE-2006-3216

Medium

2006-06-24

Not applicable

No public exploit

Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.

CVE-2006-3215

High

2006-06-24

Not applicable

No public exploit

Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to bypass the "text analysis", possibly bypassing SPAM and other filters, by sending an e-mail specifying a non-existent or unrecognized character set.

CVE-2006-2107

High

2006-04-29

Not applicable

Working exploit published

Buffer overflow in BL4 SMTP Server 0.1.4 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long argument to the (1) EHLO, (2) MAIL FROM, and (3) RCPT TO commands.

CVE-2006-0559

High

2006-04-04

Not applicable

No public exploit

Format string vulnerability in the SMTP server for McAfee WebShield 4.5 MR2 and earlier allows remote attackers to execute arbitrary code via format strings in the domain name portion of a destination address, which are not properly handled when a bounce message is constructed.

CVE-2006-0447

High

2006-01-27

Not applicable

No public exploit

Multiple buffer overflows in E-Post Mail Server 4.10 and SPA-PRO Mail @Solomon 4.00 allow remote attackers to execute arbitrary code via a long username to the (1) AUTH PLAIN or (2) AUTH LOGIN SMTP commands, which is not properly handled by (a) EPSTRS.EXE or (b) SPA-RS.EXE; (3) a long username in the APOP POP3 command, which is not properly handled by (c) EPSTPOP4S.EXE or (d) SPA-POP3S.EXE; (4) a long IMAP DELETE command, which is not properly handled by (e) EPSTIMAP4S.EXE or (f) SPA-IMAP4S.EXE.

CVE-2005-4324

High

2005-12-17

Not applicable

No public exploit

Hitachi Groupmax Mail SMTP 06-50 through 06-52-/A and 07-00 through 07-20 allows remote attackers to cause a denial of service (service stop) via an e-mail message with an "invalid format."

CVE-2005-2857

High

2005-09-08

Not applicable

Working exploit published

Free SMTP Server 2.2 allows remote attackers to use the server as an open mail relay (spam proxy).

CVE-2005-2409

High

2005-08-01

Not applicable

Working exploit published

Format string vulnerability in util.c in nbsmtp 0.99 and earlier, while running in debug mode, allows remote attackers to execute arbitrary code via format string specifiers that are not properly handled in a syslog call.

CVE-2005-2387

High

2005-07-27

Not applicable

No public exploit

Multiple stack-based buffer overflows in GoodTech SMTP server 5.16 allow remote attackers to execute arbitrary code via (1) a RCPT TO command with a long DNS name, or (2) a large number of RCPT TO commands with a long e-mail name arugment in the last command.

CVE-2005-1931

Medium

2005-07-05

Not applicable

Working exploit published

GoodTech SMTP Server 5.14 allows remote attackers to cause a denial of service (application crash) via a RCPT TO command with an invalid argument, as demonstrated using an "A" character.

CVE-2005-0107

High

2005-02-25

Not applicable

No public exploit

bsmtpd 2.3 and earlier does not properly sanitize e-mail addresses, which allows remote attackers to execute arbitrary commands.

CVE-2004-1291

High

2005-01-10

Not applicable

Working exploit published

Buffer overflow in qwik-smtpd allows remote attackers to use the server as an SMTP spam relay via a long HELO command, which overwrites the adjacent localIP data buffer.

CVE-2004-2703

Medium

2004-12-31

Not applicable

No public exploit

Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".

CVE-2004-2677

High

2004-12-31

Not applicable

Working exploit published

Format string vulnerability in qwik-smtpd.c in QwikMail SMTP (qwik-smtpd) 0.3 and earlier allows remote attackers to execute arbitrary code via format specifiers in the (1) clientRcptTo array, and the (2) Received and (3) messageID variables, possibly involving HELO and hostname arguments.

CVE-2004-2417

High

2004-12-31

Not applicable

No public exploit

Format string vulnerability in smtp.c for smtp.proxy 1.1.3 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the (1) client hostname or (2) message-id, which are injected into a syslog message.