CVE-2025-49578 – Citizen is a MediaWiki skin that makes extensions

CVE ID : CVE-2025-49578

Published : June 12, 2025, 7:15 p.m. | 28 minutes ago

Description : Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Various date messages returned by `Language::userDate` are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This impacts wikis where a group has the `editinterface` but not the `editsitejs` user right. This vulnerability is fixed in 3.3.1.

Severity: 6.5 | MEDIUM

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