Description
Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. From versions 1.9.4 to before 3.4.0, page descriptions are inserted into raw HTML without proper sanitization by the Citizen skin when using the old search bar. Any user with page editing privileges can insert cross-site scripting (XSS) payloads into the DOM for other users who are searching for specific pages. This issue has been patched in version 3.4.0.
References (3)
Core 3
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-rq6g-6g94-jfr4
Patch x_refsource_misc
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/aedbceb3380bb48db6b59e272fc187529c71c8ca
Release Notes x_refsource_misc
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/releases/tag/v3.4.0
Scores
CVSS v3
8.6
EPSS
0.0017
EPSS Percentile
37.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
starcitizen.tools/citizen
1.9.4 - 3.4.0
starcitizentools/citizen-skin
1.9.4 - 3.4.0Packagist
Published
Jul 03, 2025
Tracked Since
Feb 18, 2026