CVE-2016-4567

Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by "jsinitfunctio%gn."

• CWE-79

• http://www.openwall.com/lists/oss-security/2016/05/07/2
• http://www.securitytracker.com/id/1035818Third Party Advisory, VDB Entry
• https://codex.wordpress.org/Version_4.5.2Patch, Vendor Advisory
• https://core.trac.wordpress.org/changeset/37371Patch
• https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9cThird Party Advisory
• https://github.com/johndyer/mediaelement/blob/master/changelog.mdPatch, Vendor Advisory
• https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06ePatch, Vendor Advisory
• https://wordpress.org/news/2016/05/wordpress-4-5-2/Patch, Vendor Advisory
• https://wpvulndb.com/vulnerabilities/8488Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/05/07/2
• http://www.securitytracker.com/id/1035818Third Party Advisory, VDB Entry
• https://codex.wordpress.org/Version_4.5.2Patch, Vendor Advisory
• https://core.trac.wordpress.org/changeset/37371Patch
• https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9cThird Party Advisory
• https://github.com/johndyer/mediaelement/blob/master/changelog.mdPatch, Vendor Advisory
• https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06ePatch, Vendor Advisory
• https://wordpress.org/news/2016/05/wordpress-4-5-2/Patch, Vendor Advisory
• https://wpvulndb.com/vulnerabilities/8488Third Party Advisory

Published

May 22, 2016

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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