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CVE-2025-21612

HIGH CVSS: 8.6 Published: 2025-01-06 Modified: 2026-06-17

Description

TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2.

Affected Platforms

Unknown

Weakness Type

CWE-79, CWE-80

References