GHSA-G955-VW6W-V6PP Citizen vulnerable to stored XSS in sticky header button messages

Summary The JS implementation for copying button labels to the sticky header in the Citizen skin unescapes HTML characters, allowing for stored XSS through system messages. Details In the copyButtonAttributes function in stickyHeader.js, when copying the button labels, the innerHTML of the new...

EUVD-2025-34930

Citizen vulnerable to stored XSS in sticky header button messages...

CVE-2025-62508 Citizen vulnerable to stored XSS in sticky header button messages

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Citizen from 3.3.0 to 3.9.0 are vulnerable to stored cross-site scripting in the sticky header button message handling. In stickyHeader.js the copyButtonAttributes function assigns innerHTML from a source element’s...

CVE-2025-49575

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. Multiple system messages are inserted into the CommandPaletteFooter as raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM. This impacts wikis where a group has the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the citizen-search-noresults-title and citizen-search-noresults-desc system messages being inserted as raw HTML. An attacker can execute arbitrary HTML or JavaScript code in the context of users who view the...

CVE-2023-22910

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. There is XSS in Wikibase date formatting via wikibase-time-precision- fields. This allows JavaScript execution by staff/admin users who do not intentionally have the editsitejs...

CVE-2023-22910

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. There is XSS in Wikibase date formatting via wikibase-time-precision- fields. This allows JavaScript execution by staff/admin users who do not intentionally have the editsitejs...

Code injection

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. There is XSS in Wikibase date formatting via wikibase-time-precision- fields. This allows JavaScript execution by staff/admin users who do not intentionally have the editsitejs...