XSS in Starcitizen.tools Citizen
CVE-2025-53370
Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. From versions 1.9.4 to before 3.4.0, short descriptions set via the ShortDescription extension are inserted as raw HTML by the Citizen skin, allowing any us…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (21.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Starcitizen.tools Citizen
- Starcitizentools Mediawiki-skins-citizen — versions >= 65a7ffd927467c8c3557146d1ac6de62b0369b6c, < c85a40bddc8651fff66df83a72debddcb34f0521, >= 1.9.4, < 3.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-53370?
- CVE-2025-53370 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-2025-53370?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2025-53370 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.