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Medium, CVSS 6.9

Liferay Portal Reflected Cross-Site Scripting Vulnerability via snippet Parameter

CVE-2025-43756GHSA-q2gv-w583-f2vq

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Maven com.liferay.portal:release.portal.bom

    Affected
    >= 7.4.3.132-ga132, <= 7.4.3.132-ga132
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/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 · score source
EPSS
  • CVE-2025-43756: 0.22% estimated exploitation activity in the next 30 days; percentile 12.43 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.15, 2025.Q2.0 through 2025.Q2.2 and 2024.Q1.13 through 2024.Q1.19 allows a remote authenticated user to inject JavaScript code via snippet parameter.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-q2gv-w583-f2vq

Agent brief

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# Patch Next advisory brief: CVE-2025-43756

Advisory: Liferay Portal Reflected Cross-Site Scripting Vulnerability via snippet Parameter
IDs: CVE-2025-43756, GHSA-q2gv-w583-f2vq
Record: https://patchnext.com/advisories/cve-2025-43756 (revision 1, source checked 26 Oct 2026, 16:39 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven com.liferay.portal:release.portal.bom: affected >= 7.4.3.132-ga132, <= 7.4.3.132-ga132

## Suggested inspection (read-only)
- Maven com.liferay.portal:release.portal.bom: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on com.liferay.portal:release.portal.bom.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-q2gv-w583-f2vq (GitHub-reviewed advisory GHSA-q2gv-w583-f2vq lists affected ranges: Maven com.liferay.portal:release.portal.bom >=7.4.3.132-ga132 <=7.4.3.132-ga132)

Commands are suggestions: review each one before running it.

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