Mediawiki MassMessage vulnerabilities

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Published CVEs affecting Mediawiki MassMessage: 1 record(s), with affected versions and fixes.

CVE-2024-23176 Medium · 5.4 CWE-79 Sep 14, 2026

Cross-site Scripting (XSS) in Mediawiki MassMessage

An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.