XSS in Starcitizen.tools Citizen
CVE-2025-53368
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (22.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Starcitizen.tools Citizen
- Starcitizentools Mediawiki-Skins-Citizen — versions >= 1.9.4, < 3.4.0, >= b2bd79196db1153d0bc1bd51a646d957cbdf4aec, < aedbceb3380bb48db6b59e272fc187529c71c8ca
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-53368?
- CVE-2025-53368 is a high-severity vulnerability in Starcitizen.tools Citizen, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2025-07-03.
- How severe is CVE-2025-53368?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2025-53368 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.