CVE-2025-53369 HIGH

CVE-2025-53369: Citizen Short Description stored XSS vulnerability through wikitext

Vendor Starcitizentools
Product mediawiki-extensions-ShortDescription
Weakness CWE-79 · XSS
Published July 3, 2025
Last update July 3, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

What the vulnerability does

01Description

Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.

Key dates

02Disclosure timeline

July 3, 2025 CVE published
July 3, 2025 Record updated