CVE-2025-29926

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.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-285 CWE-285

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
xwiki	xwiki	5.4.1 — 15.10.15
xwiki	xwiki	16.0.0 — 16.4.6
xwiki	xwiki	16.5.0 — 16.10.0
xwiki	xwiki	All
xwiki	xwiki	All

References

Advisories & Patches

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

Exploits

https://jira.xwiki.org/browse/XWIKI-22490

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-29926? +

CVE-2025-29926 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-29926? +

CVE-2025-29926 affects products from xwiki, specifically: xwiki. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-29926? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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