CVE-2024-23171 Information

Description

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).

Reference

https://phabricator.wikimedia.org/T348343 https://gerrit.wikimedia.org/r/q/I70d71c409193e904684dfb706d424b0a815fa6f6