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CVE-2025-29926: The WikiManager REST API allows any user to create wikis

March 19, 2025 (updated October 31, 2025)

Any user can exploit the WikiManager REST API to create a new wiki, where the user could become an administrator and so performs other attacks on the farm. Note that this REST API is not bundled in XWiki Standard by default: it needs to be installed manually through the extension manager.

References

  • github.com/advisories/GHSA-gfp2-6qhm-7x43
  • github.com/xwiki/xwiki-platform
  • github.com/xwiki/xwiki-platform/commit/82aa670106c7f5e6238ca6ed59a52d1800e05b99
  • github.com/xwiki/xwiki-platform/security/advisories/GHSA-gfp2-6qhm-7x43
  • jira.xwiki.org/browse/XWIKI-22490
  • nvd.nist.gov/vuln/detail/CVE-2025-29926

Code Behaviors & Features

Detect and mitigate CVE-2025-29926 with GitLab Dependency Scanning

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Affected versions

All versions starting from 5.4-rc-1 before 15.10.15, all versions starting from 16.0.0-rc-1 before 16.4.6, all versions starting from 16.5.0-rc-1 before 16.10.0

Fixed versions

  • 15.10.15
  • 16.4.6
  • 16.10.0

Solution

Upgrade to versions 15.10.15, 16.10.0, 16.4.6 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-285: Improper Authorization
  • CWE-862: Missing Authorization

Source file

maven/org.xwiki.platform/xwiki-platform-wiki-rest-default/CVE-2025-29926.yml

Spotted a mistake? Edit the file on GitLab.

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