CVE-2021-42044

An issue was discovered in the Mentor dashboard in the GrowthExperiments extension in MediaWiki through 1.36.2. The Growthexperiments-mentor-dashboard-mentee-overview-add-filter-total-edits-headline, growthexperiments-mentor-dashboard-mentee-overview-add-filter-starred-headline, growthexperiments-mentor-dashboard-mentee-overview-info-text, growthexperiments-mentor-dashboard-mentee-overview-info-legend-headline, and growthexperiments-mentor-dashboard-mentee-overview-active-ago MediaWiki messages were not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.

• CWE-79

• https://gerrit.wikimedia.org/r/q/I858d55fb2eca9b50ac6ef5a6f2a7b2784f0fa0d6Patch, Vendor Advisory
• https://phabricator.wikimedia.org/T289408Exploit, Issue Tracking, Patch, Third Party Advisory
• https://gerrit.wikimedia.org/r/q/I858d55fb2eca9b50ac6ef5a6f2a7b2784f0fa0d6Patch, Vendor Advisory
• https://phabricator.wikimedia.org/T289408Exploit, Issue Tracking, Patch, Third Party Advisory

Published

Oct 6, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-4203A use-after-free read flaw was found in sock_getsockopt() in…6.8
• CVE-2021-4204An out-of-bounds (OOB) memory access flaw was found in the L…7.1
• CVE-2021-42040An issue was discovered in MediaWiki through 1.36.2. A parse…7.5
• CVE-2021-42041An issue was discovered in CentralAuth in MediaWiki through …6.1
• CVE-2021-42042An issue was discovered in SpecialEditGrowthConfig in the Gr…4.8
• CVE-2021-42043An issue was discovered in Special:MediaSearch in the MediaS…6.1
• CVE-2021-42045An issue was discovered in SecurePoll in the Growth extensio…5.4
• CVE-2021-42046An issue was discovered in the GlobalWatchlist extension in …6.1
• CVE-2021-42047An issue was discovered in the Growth extension in MediaWiki…5.4
• CVE-2021-42048An issue was discovered in the Growth extension in MediaWiki…4.8
• CVE-2021-42049An issue was discovered in the Translate extension in MediaW…6.5
• CVE-2021-42050An issue was discovered in AbanteCart before 1.3.2. It allow…6.1