{"schemaVersion":3,"id":"CVE-2013-4568","aliases":["UBUNTU-CVE-2013-4568","DEBIAN-CVE-2013-4568"],"status":"published","duplicateOf":null,"title":null,"description":"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 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