CVE-2025-29926
The WikiManager REST API allows any user to create wikis
Description
### 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:[email protected]) ### Attribution You can specify here who reported the issue.
How to fix CVE-2025-29926
To remediate CVE-2025-29926, upgrade the affected package to a fixed version below.
- —upgrade to 15.10.15 or later
Is CVE-2025-29926 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 5.4-rc-1, < 15.10.15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 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 |