CVE-2025-21612

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.

Scoring

Severity
HIGH
CVSS base score
8.6
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
EPSS probability
0.51%
CWE
CWE-79, CWE-80
Published
2025-01-06
Last modified
2026-03-12

Affected products

Weakness type

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