An issue was discovered in the CampaignEvents extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).
This Cyber News was published on www.tenable.com. Publication date: Fri, 12 Jan 2024 10:46:03 +0000