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Advisory record · GHSA-r279-47wg-chpr

XWiki allows RCE from script right in configurable sections

CVSS 9.1 CriticalCriticalEPSS 0.011 · 65th percentile

Critical, because:

  • CVSS score 9.1: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 12 Dec 2024, 19:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.platform:xwiki-platform-administration-uiMaven>=2.3, <15.10.9 || >=16.0.0-rc-1, <16.3.015.10.9, 16.3.0
Identifiers
GHSA-r279-47wg-chpr · CVE-2024-55879
Weakness (CWE)
CWE-862
Tags
Published
12 Dec 2024
Updated
4 Feb 2026

Machine-written summary

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

Affected: xwiki-platform-administration-ui, versions from 2.3 up to 15.10.9 and from 16.0.0-rc-1 up to 16.3.0. A user with script rights can add configurable-section objects to a page and achieve remote code execution, which can compromise the whole XWiki installation. Upgrade to 15.10.9 or 16.3.0; no workaround other than upgrading is known.

Written 3 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
9.1 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.011, the 65th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:21 UTC First seen by agentprime
  2. 31 Oct 2026, 14:21 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.