CVE-2025-46558

Name of the Vulnerable Software and Affected Versions XWiki Contrib's Syntax Markdown versions 8.2 through 8.8

Description The issue allows any user to embed Javascript code using Markdown syntax, which can be executed on the browser of other users visiting the document or comment containing it. This compromises the confidentiality, integrity, and availability of the entire XWiki installation, especially if the code is executed by a user with administrative or programming rights.

Recommendations For versions 8.2 through 8.8, update to version 8.9 to resolve the issue.