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Status published
High
CVE-2025-53093
TabberNeue vulnerable to Stored XSS through wikitext
Vulnerability Description
TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Starting in version 3.0.0 and prior to version 3.1.1, any user can insert arbitrary HTMLinto the DOM by inserting a payload into any allowed attribute of the `<tabber>` tag. Version 3.1.1 contains a patch for the bug.
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-jfj7-249r-7j2m
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/4cdf217ef96da74a1503d1dd0bb0ed898fc2a612
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/commit/62ce0fcdf32bd3cfa77f92ff6b940459a14315fa
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Components/TabberComponentTabs.php#L15-L31
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Tabber.php#L76
- https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/templates/Tabs.mustache#L1
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Affected Vendor
StarCitizenTools
View all reports →Affected Software
mediawiki-extensions-TabberNeue
Vulnerable Versions:
>= 3.0.0, < 3.1.1
Timeline
Official Publish:
June 27th, 2025
Last Modified:
June 27th, 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