Medium severity · published Jun 12, 2025
CVE-2025-49578
Citizen allows stored XSS in user registration date message
5.4
CVSS
0.4%
EPSS
No
On KEV
Description
Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various date messages returned by `Language::userDate` are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This impacts wikis where a group has the `editinterface` but not the `editsitejs` user right. This vulnerability is fixed in 3.3.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
mediawiki-skins-Citizen · StarCitizenTools
>= 64cb5d7ab3a6dc0381fae54b31e8fc4afadc8beb, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd; >= 3.3.0, < 3.3.1 · source: vendor
CI
Citizen · Starcitizen.tools
before 3.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-49578
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-49578
Patch
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/64cb5d7ab3a6dc0381fae54b31e8fc4afadc8beb
Patch
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd
Exploit
https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-2v3v-3whp-953h
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