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CVE-2025-43820

Severity4.8 Medium CVSS 4.0 2 scores
Fixed in7.4.3.111-ga111
WeaknessCross-site scripting (CWE-79)
Published29 Sep 2025
Updated18 Oct 2026

Description

Multiple cross-site scripting (XSS) vulnerabilities in the Calendar widget when inviting users to a event in Liferay Portal 7.4.3.35 through 7.4.3.110, and Liferay DXP 2023.Q4.0 through 2023.Q4.4, 2023.Q3.1 through 2023.Q3.6, 7.4 update 35 through update 92, and 7.3 update 25 through update 35 allow remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a user’s (1) First Name, (2) Middle text, or (3) Last Name text fields.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published a year ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.23% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Medium or Low severity, no CISA or VulnCheck KEV listing, no PoC clearing the evidence bar, no CISA verdict, no Oracle advisory
Finding This CVE is MEDIUM severity, is not listed in CISA KEV or VulnCheck KEV, has no public exploit or PoC in any indexed source, carries no CISA Vulnrichment finding of a demonstrated exploit, and is not part of an Oracle Critical Patch Update. None of the signals that would put it in front of an engineer is present, and the volume of CVEs below that bar is too great to take one at a time, so no rule is written for it. This is a decision about what we act on, not a finding that the CVE is harmless — a patch may well be derivable, and a low-severity defect can still be one link in a longer chain.

CVSS

4.8 MEDIUM v4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 4.0 4.8 MEDIUM CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X security@liferay.com Secondary published
CVSS 3.1 5.4 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N NVD Primary

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
com.liferay.portal:release.portal.bom 7.4.3.35-ga35 7.4.3.111-ga111 unbounded
com.liferay:com.liferay.calendar.web 5.0.45 5.0.88 unbounded

Products and versions

4 products, 75 version entries
SourceVendorProductSchemeAffected versions
osv com.liferay com.liferay.calendar.web generic ≥ 5.0.45 and < 5.0.88
osv com.liferay.portal release.portal.bom generic ≥ 7.4.3.35.35 and < 7.4.3.111.111
nvd liferay digital experience platform generic 7.3:update25 · 7.3:update26 · 7.3:update27 · 7.3:update28 · 7.3:update29 · 7.3:update30 · 7.3:update31 · 7.3:update32 · 7.3:update33 · 7.3:update34 · 7.3:update35 · 7.3:update36 · 7.4:update35 · 7.4:update36 · 7.4:update37 · 7.4:update38 · 7.4:update39 · 7.4:update40 · 7.4:update41 · 7.4:update42 · 7.4:update43 · 7.4:update44 · 7.4:update45 · 7.4:update46 · 7.4:update47 · 7.4:update48 · 7.4:update49 · 7.4:update50 · 7.4:update51 · 7.4:update52 · 7.4:update53 · 7.4:update54 · 7.4:update55 · 7.4:update56 · 7.4:update57 · 7.4:update58 · 7.4:update59 · 7.4:update60 · 7.4:update61 · 7.4:update62 · 7.4:update63 · 7.4:update64 · 7.4:update65 · 7.4:update66 · 7.4:update67 · 7.4:update68 · 7.4:update69 · 7.4:update70 · 7.4:update71 · 7.4:update72 · 7.4:update73 · 7.4:update74 · 7.4:update75 · 7.4:update76 · 7.4:update77 · 7.4:update78 · 7.4:update79 · 7.4:update80 · 7.4:update81 · 7.4:update82 · 7.4:update83 · 7.4:update84 · 7.4:update85 · 7.4:update86 · 7.4:update87 · 7.4:update88 · 7.4:update89 · 7.4:update90 · 7.4:update91 · 7.4:update92 · ≥ 2023.3.1 and < 2023.3.7 · ≥ 2023.4.0 and < 2023.4.5
nvd liferay liferay portal generic ≥ 7.4.3.35 and < 7.4.3.111

References

URLTags
https://github.com/liferay/liferay-portal PACKAGE
https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43820 WEB

Timeline

Published2025-09-29By the CVE Program.
NVD record modified2026-10-18NVD's own last-modified date for this record.