{"id":"UBUNTU-CVE-2013-4567","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via a \\b (backspace) character in CSS.","modified":"2025-07-16T07:17:09.534775Z","published":"2013-12-13T18:07:00Z","withdrawn":"2025-07-18T16:42:55Z","upstream":["CVE-2013-4567"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-4567"},{"type":"REPORT","url":"https://bugzilla.wikimedia.org/show_bug.cgi?id=55332"},{"type":"REPORT","url":"http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html"},{"type":"REPORT","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html"},{"type":"REPORT","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2013-4567"}],"affected":[{"package":{"name":"mediawiki","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/mediawiki@1:1.19.14+dfsg-1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.14+dfsg-1"}]}],"versions":["1:1.19.8+dfsg-1","1:1.19.8+dfsg-2","1:1.19.8+dfsg-2.1","1:1.19.8+dfsg-2.2","1:1.19.9+dfsg-2","1:1.19.10+dfsg-1","1:1.19.11+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.19.14+dfsg-1","binary_name":"mediawiki"},{"binary_version":"1:1.19.14+dfsg-1","binary_name":"mediawiki-classes"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4567.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}