CVE-2025-53370

Citizen stored XSS vulnerability through short descriptions

Published Jul 3, 2025 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Description
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 user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 3.4.0.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-19907 Citizen vulnerable to Stored XSS through short descriptions
Github GHSA Github GHSA GHSA-prmv-7r8c-794g Citizen vulnerable to Stored XSS through short descriptions
History
Type Values Removed Values Added
First Time appeared Starcitizen.tools
Starcitizen.tools citizen
CPEs cpe:2.3:a:starcitizen.tools:citizen:*:*:*:*:*:mediawiki:*:*
Vendors & Products Starcitizen.tools
Starcitizen.tools citizen
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 3.4.0.
Title Citizen stored XSS vulnerability through short descriptions
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L'}

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 7, 2025, 7:01 PM
Reserved
Jun 27, 2025, 12:57 PM
Status
Analyzed
Published
Jul 3, 2025, 8:15 PM
Modified
Jun 17, 2026, 9:38 AM