CVE-2014-2242 Information

Description

includes/upload/UploadBase.php in MediaWiki before 1.19.12 1.20.x and 1.21.x before 1.21.6 and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element.

Reference

http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html http://openwall.com/lists/oss-security/2014/02/28/1 http://openwall.com/lists/oss-security/2014/03/01/2 http://www.securityfocus.com/bid/65910 https://bugzilla.redhat.com/show_bug.cgi?id=1071135 https://bugzilla.wikimedia.org/show_bug.cgi?id=60771 https://gerrit.wikimedia.org/r//q/7d923a6b53f7fbcb0cbc3a19797d741bf6f440ebnz