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bdu:2025-05154

EUVD-2026-223697

fkie_cve-2025-29926

XWiki Platform is a generic wiki platform. Prior to 15.10.15, 16.4.6, and 16.10.0, 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. The problem has been patched in versions 15.10.15, 16.4.6 and 16.10.0 of the REST module.

GHSA-gfp2-6qhm-7x43 — The WikiManager REST API allows any user to create wikis

Affected: Maven: org.xwiki.platform:xwiki-platform-wiki-rest-default

### Impact

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.

### Patches

The problem has been patched in versions 15.10.15, 16.4.6 and 16.10.0 of the REST module.

### Workarounds

There's no workaround other than upgrading the dependency.

### References

* JIRA ticket: https://jira.xwiki.org/browse/XWIKI-22490 * Commit of the fix: https://github.com/xwiki/xwiki-platform/commit/82aa670106c7f5e6238ca6ed59a52d1800e05b99

### For more information

If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

### Attribution

You can specify here who reported the issue.

WID-SEC-W-2025-0605 — xwiki: Mehrere Schwachstellen

Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in xwiki ausnutzen, um Informationen preiszugeben und erhöhte Rechte zu erlangen.