Citizen has a Stored Cross-Site Scripting Vulnerability by editing MediaWiki:Tagline
Priority MEDIUM 64CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The page `MediaWiki:Tagline` has its contents used unescaped, so custom HTML (including Javascript) can be injected by someone with the ability to edit the MediaWiki namespace (typically those with the `editinterface` permission, or sysops). This vulnerability is fixed in 2.16.0.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00472 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed mediawiki-skins-Citizen (StarCitizenTools): 2.16.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| StarCitizenTools | mediawiki-skins-Citizen | before 2.16.0 | 2.16.0 | Patch available | CNA |
- mediawiki-skins-Citizen VendorStarCitizenTools Affected before 2.16.0 Fixed in 2.16.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:* | before 2.16.0 | Vulnerable | StarCitizenTools |
- cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:* Versions before 2.16.0 Vulnerable ·StarCitizenTools
Remediation
- Fix · CNA mediawiki-skins-Citizen (StarCitizenTools) Fixed in 2.16.0
Timeline
- 2026-10-02 Threatist record created from CVE-2024-36123
References
Exploit 1
Other 3
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/c11fbf67a99366d5a40ef880469b222679e3b475/includes/Components/CitizenComponentPageHeading.php#L190-L195
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/c11fbf67a99366d5a40ef880469b222679e3b475/includes/Components/CitizenComponentPageHeading.php#L197-L201
- https://github.com/StarCitizenTools/mediawiki-skins-Citizen/releases
More StarCitizenTools Citizen vulnerabilities
- TI-2025-33330 Citizen is vulnerable to stored XSS attack in the legacy search bar CVSS 3.1HIGH 8.6
- TI-2025-33332 Citizen stored XSS vulnerability through short descriptions CVSS 3.1HIGH 8.6
- TI-2025-31592 Citizen allows stored XSS in menu heading message CVSS 3.1MEDIUM 6.5
- TI-2025-31591 Citizen allows stored XSS in user registration date message CVSS 3.1MEDIUM 6.5
- TI-2025-31590 Citizen allows stored XSS in preference menu headings CVSS 3.1MEDIUM 6.5
- TI-2025-31589 Citizen allows stored XSS in search no result messages CVSS 3.1MEDIUM 6.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences