Cross-site scripting (XSS) vulnerability in MediaWiki 1.13.1, 1.12.0, and possibly other versions before 1.13.2 allows remote attackers to inject arbitrary web script or HTML via the useskin parameter to an unspecified component.
lists.wikimedia.org/pipermail/mediawiki-announce/2008-October/000078.html
openwall.com/lists/oss-security/2008/10/02/3
secunia.com/advisories/32128
secunia.com/advisories/32131
svn.wikimedia.org/svnroot/mediawiki/tags/REL1_12_1/phase3/RELEASE-NOTES
svn.wikimedia.org/svnroot/mediawiki/tags/REL1_13_2/phase3/RELEASE-NOTES
www.securityfocus.com/bid/31540
www.vupen.com/english/advisories/2008/2737
exchange.xforce.ibmcloud.com/vulnerabilities/45632
www.redhat.com/archives/fedora-package-announce/2008-October/msg00179.html
www.redhat.com/archives/fedora-package-announce/2008-October/msg00220.html