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Status published
High
CVE-2025-21612
Cross-site Scripting in TabberTransclude in Extension:TabberNeue
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/security/advisories/GHSA-4x6x-8rm8-c37j
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/d8c3db4e5935476e496d979fb01f775d3d3282e6
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/f229cab099c69006e25d4bad3579954e481dc566
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Affected Vendor
StarCitizenTools
View all reports →Affected Software
mediawiki-extensions-TabberNeue
Vulnerable Versions:
>= 1.9.1, < 2.7.2, >= d8c3db4e5935476e496d979fb01f775d3d3282e6, < f229cab099c69006e25d4bad3579954e481dc566
Timeline
Official Publish:
January 6th, 2025
Last Modified:
August 26th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
MITRE ATT&CK TTPs
T1189
Drive-by Compromise
Initial Access
T1059.007
JavaScript
Execution
T1539
Steal Web Session Cookie
Collection
T1213
Data from Information Repositories
Collection
T1567
Exfiltration Over Web Service
Exfiltration
T1491.001
Defacement
Impact
T1059
Command and Scripting Interpreter
Execution
T1552
Unsecured Credentials
Credential Access
T1071
Application Layer Protocol
Command and Control
T1565
Data Manipulation
Impact