Cross-site scripting (XSS) vulnerability in the Ephox (formerly Moxiecode) plupload.flash.swf shim 2.1.2 in Plupload, as used in WordPress 3.9.x, 4.0.x, and 4.1.x before 4.1.2 and other products, allows remote attackers to execute same-origin JavaScript functions via the target parameter, as demonstrated by executing a certain click function, related to _init.as and _fireEvent.as.
https://wpvulndb.com/vulnerabilities/7933
https://core.trac.wordpress.org/changeset/32168
http://www.securitytracker.com/id/1032207
http://www.securityfocus.com/bid/74269
http://www.debian.org/security/2015/dsa-3250
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html