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Advisory record · GHSA-j2pq-22jj-4pm5

XWiki allows remote code execution through the extension sheet

CVSS 10.0 CriticalCriticalEPSS 0.0079 · 56th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 12 Dec 2024, 19:23 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.platform:xwiki-platform-repository-server-uiMaven>=3.3-milestone-1, <15.10.9 || >=16.0.0-rc-1, <16.3.015.10.9, 16.3.0
Identifiers
GHSA-j2pq-22jj-4pm5 · CVE-2024-55662
Weakness (CWE)
CWE-94 · CWE-96 · CWE-863
Tags
Published
12 Dec 2024
Updated
12 Dec 2024

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

XWiki's xwiki-platform-repository-server-ui package (Maven org.xwiki.platform) is vulnerable in versions from 3.3-milestone-1 up to 15.10.9 and from 16.0.0-rc-1 up to 16.3.0, on instances where the Extension Repository Application is installed. Any user, including one without script or programming rights, can execute code that requires programming rights on the server. Upgrade to 15.10.9 or 16.3.0. If you do not use the Extension Repository Application, you can disable it as a workaround.

Written 7 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0079, the 56th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:12 UTC First seen by agentprime
  2. 31 Oct 2026, 15:12 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.