CVE-2016-6334

Cross-site scripting (XSS) vulnerability in the Parser::replaceInternalLinks2 method in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving replacement of percent encoding in unclosed internal links.

• CWE-79

• http://www.securityfocus.com/bid/98057
• https://bugzilla.redhat.com/show_bug.cgi?id=1369613Issue Tracking
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing List, Patch, Vendor Advisory
• https://phabricator.wikimedia.org/T137264Patch, Third Party Advisory
• http://www.securityfocus.com/bid/98057
• https://bugzilla.redhat.com/show_bug.cgi?id=1369613Issue Tracking
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing List, Patch, Vendor Advisory
• https://phabricator.wikimedia.org/T137264Patch, Third Party Advisory

Published

Apr 20, 2017

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.
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