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Critical, CVSS 9.6

Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting

CVE-2023-42498GHSA-73x3-8mrg-5r93

What to do

Partial vendor fix. 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

Sources

  • GitHub Advisory Database and maintainer security advisories on GitHub

    GitHub-reviewed advisory GHSA-73x3-8mrg-5r93 lists affected ranges: Maven com.liferay.portal:release.portal.bom >=7.4.3.8 =2023.Q3 =7.4.13.u4 <=7.4.13.u92

    VerifiedObserved Structured GitHub Advisory Database record (type=reviewed) from the GitHub REST API.

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.6 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
  • CVE-2023-42498: 0.61% estimated exploitation activity in the next 30 days; percentile 49.34 (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.

Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8 through 7.4.3.97, and Liferay DXP 2023.Q3 before patch 5, and 7.4 update 4 through 92 allows remote attackers to inject arbitrary web script or HTML via the comliferayportallanguageoverridewebinternalportletPLOPortletkey 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-73x3-8mrg-5r93

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2023-42498

Advisory: Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting
IDs: CVE-2023-42498, GHSA-73x3-8mrg-5r93
Record: https://patchnext.com/advisories/cve-2023-42498 (revision 1, source checked 26 Oct 2026, 16:44 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.6)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Partial vendor fix; fixed versions by package: com.liferay.portal:release.portal.bom 7.4.3.98; com.liferay.portal:release.dxp.bom 2023.Q3.5. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven com.liferay.portal:release.portal.bom: affected >= 7.4.3.8, <= 7.4.3.97; fixed in 7.4.3.98
- Maven com.liferay.portal:release.dxp.bom: affected >= 2023.Q3, < 2023.Q3.5; >= 7.4.13.u4, <= 7.4.13.u92; fixed in 2023.Q3.5

## Suggested inspection (read-only)
- Maven com.liferay.portal:release.portal.bom: check the installed version with your package manager.
- Maven com.liferay.portal:release.dxp.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, com.liferay.portal:release.dxp.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-73x3-8mrg-5r93 (GitHub-reviewed advisory GHSA-73x3-8mrg-5r93 lists affected ranges: Maven com.liferay.portal:release.portal.bom >=7.4.3.8 =2023.Q3 =7.4.13.u4 <=7.4.13.u92)

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