CVE-2025-21612

HighCVSS 8.6/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Weakness enumeration

CWE-79 CWE-80

Affected software

No affected versions have been published.

Timeline

Published: Jan 6, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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