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Advisory record · GHSA-gfp2-6qhm-7x43

The WikiManager REST API allows any user to create wikis

CVSS 7.9 HighEPSS 0.0058 · 48th percentile

Published by the GitHub Advisory Database at 19 Mar 2025, 20:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.platform:xwiki-platform-wiki-rest-defaultMaven>=5.4-rc-1, <15.10.15 || >=16.0.0-rc-1, <16.4.6 || >=16.5.0-rc-1, <16.10.015.10.15, 16.4.6, 16.10.0
Identifiers
GHSA-gfp2-6qhm-7x43 · CVE-2025-29926
Weakness (CWE)
CWE-285 · CWE-862
Tags
Published
19 Mar 2025
Updated
19 Mar 2025

Machine-written summary

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

The xwiki-platform-wiki-rest-default REST module (Maven org.xwiki.platform) is vulnerable in versions from 5.4-rc-1 up to 15.10.15, from 16.0.0-rc-1 up to 16.4.6, and from 16.5.0-rc-1 up to 16.10.0. Any user, without special privileges, can use the WikiManager REST API to create a new wiki and become its administrator, which allows further attacks on the wiki farm. Upgrade to 15.10.15, 16.4.6, or 16.10.0; no workaround is listed.

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
7.9 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:H/SI:H/SA:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0058, the 48th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:11 UTC First seen by agentprime
  2. 31 Oct 2026, 15:11 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.