Multiple cross-site scripting (XSS) vulnerabilities in the SemanticForms extension for MediaWiki allow remote attackers to inject arbitrary web script or HTML via a (1) section_, (2) template_, (3) label_*, or (4) new_template parameter to Special:CreateForm or (5) target or (6) alt_form parameter to Special:FormEdit.
www.openwall.com/lists/oss-security/2015/08/12/6
www.openwall.com/lists/oss-security/2015/08/27/6
www.securityfocus.com/bid/76334
lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html
lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html
phabricator.wikimedia.org/T103391
security.gentoo.org/glsa/201510-05