CVE-2025-21612

Cross-site Scripting in TabberTransclude in Extension:TabberNeue

Published Jan 6, 2025 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-0009 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.
Github GHSA Github GHSA GHSA-4x6x-8rm8-c37j Extension:TabberNeue vulnerable to Cross-site Scripting
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Cross-site Scripting in TabberTransclude in Extension:TabberNeue
Weaknesses CWE-79
CWE-80
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 26, 2025, 7:48 PM
Reserved
Dec 29, 2024, 3:00 AM
Status
Deferred
Published
Jan 6, 2025, 4:15 PM
Modified
Jun 17, 2026, 8:43 AM