CVE-2025-66474

XWiki Rendering is a generic rendering system that converts textual input in a given syntax (wiki syntax, HTML, etc) into another syntax (XHTML, etc). Versions 16.10.9 and below, 17.0.0-rc-1 through 17.4.2 and 17.5.0-rc-1 through 17.5.0 have insufficient protection against {{/html}} injection, which attackers can exploit through RCE. Any user who can edit their own profile or any other document can execute arbitrary script macros, including Groovy and Python macros, which enable remote code execution as well as unrestricted read and write access to all wiki contents. This issue is fixed in versions 16.10.10, 17.4.3 and 17.6.0-rc-1.

• CWE-95
• CWE-94

• https://github.com/xwiki/xwiki-platform/commit/12b780ccd5bca5fc8f74f46648d7e02fa04fbc11Patch
• https://github.com/xwiki/xwiki-rendering/commit/9b71a2ee035815cfc29cebbfe81dbdd98f941d49Patch
• https://github.com/xwiki/xwiki-rendering/security/advisories/GHSA-9xc6-c2rm-f27pPatch, Vendor Advisory
• https://jira.xwiki.org/browse/XRENDERING-693Exploit, Patch, Vendor Advisory
• https://jira.xwiki.org/browse/XRENDERING-792Exploit, Patch, Vendor Advisory
• https://jira.xwiki.org/browse/XRENDERING-793Exploit, Patch, Vendor Advisory
• https://jira.xwiki.org/browse/XWIKI-23378Patch, Vendor Advisory
• https://jira.xwiki.org/browse/XRENDERING-693Exploit, Patch, Vendor Advisory
• https://jira.xwiki.org/browse/XRENDERING-792Exploit, Patch, Vendor Advisory
• https://jira.xwiki.org/browse/XRENDERING-793Exploit, Patch, Vendor Advisory

Published

Dec 10, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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