Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

Advisory record · GHSA-c2gg-4gq4-jv5j

XWiki Platform remote code execution from account through UIExtension parameters

CVSS 10.0 CriticalCriticalEPSS 0.74 · 99th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.
  • CVSS score 10.0 (7.0 or more) and EPSS 0.74 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the GitHub Advisory Database at 10 Apr 2024, 17:16 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.platform:xwiki-platform-uiextension-apiMaven<14.10.19 || >=15.0-rc-1, <15.5.4 || >=15.6-rc-1, <15.9-rc-114.10.19, 15.5.4, 15.9-rc-1
Identifiers
GHSA-c2gg-4gq4-jv5j · CVE-2024-31997
Weakness (CWE)
CWE-862
Tags
Published
10 Apr 2024
Updated
10 Sept 2026

Machine-written summary

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

XWiki Platform's xwiki-platform-uiextension-api package is vulnerable in versions before 14.10.19, from 15.0-rc-1 before 15.5.4, and from 15.6-rc-1 before 15.9-rc-1. Any user with edit rights on a document, such as their own profile, can create UI extensions whose parameters are executed as Velocity code with programming rights, allowing remote code execution and full compromise of the wiki. Upgrade to 14.10.19, 15.5.4, 15.9-rc-1 or later; the source lists no workaround other than upgrading.

Written 2 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 0.74, the 99th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 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.