Cross-site scripting (XSS) vulnerability in Special:PasswordReset in MediaWiki before 1.19.16, 1.21.x before 1.21.10, and 1.22.x before 1.22.7, when wgRawHtml is enabled, allows remote attackers to inject arbitrary web script or HTML via an invalid username.
https://bugzilla.wikimedia.org/show_bug.cgi?id=65501
http://www.securitytracker.com/id/1030364
http://www.securityfocus.com/bid/67787
http://www.openwall.com/lists/oss-security/2014/06/04/15
http://www.debian.org/security/2014/dsa-2957
http://secunia.com/advisories/58896
http://secunia.com/advisories/58834
http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-May/000151.html