{"id":"CVE-2013-4568","details":"Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of \"expression\" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.","modified":"2026-04-16T06:23:58.247476720Z","published":"2013-12-13T18:07:54Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/57472"},{"type":"ADVISORY","url":"http://www.debian.org/security/2014/dsa-2891"},{"type":"REPORT","url":"https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff"},{"type":"REPORT","url":"https://bugzilla.wikimedia.org/show_bug.cgi?id=55332"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html"},{"type":"WEB","url":"http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/63761"}],"schema_version":"1.7.5"}