Security Advisory

CVE-2025-7363

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-07-08 17:27:17
Last updated 2025-07-10 14:07:16
Assigner wikimedia-foundation
CVSS score not scored
State PUBLISHED

Description

The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page header, allowing attackers to inject arbitrary JavaScript. This issue affects Mediawiki - TitleIcon extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.