An issue exists in the CampaignEvents extension in MediaWiki prior to 1.35.14, 1.36.x up to and including 1.39.x prior to 1.39.6, and 1.40.x prior to 1.40.2. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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mediawiki mediawiki |