{"id":"CVE-2014-3146","aliases":["GHSA-57qw-cc2g-pv5p","PYSEC-2014-9"],"url":"https://o3.security/vulnerability/CVE-2014-3146","summary":"lxml Cross-site Scripting Via Control Characters","details":"Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme to the clean_html function.","published":"2014-05-14T19:55:11Z","modified":"2026-04-16T06:23:35.726770915Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":4,"affectedPackages":[{"ecosystem":"PyPI","name":"lxml","fixedVersion":"3.3.5"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://advisories.mageia.org/MGASA-2014-0218.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/58013"},{"type":"ADVISORY","url":"http://secunia.com/advisories/58744"},{"type":"ADVISORY","url":"http://secunia.com/advisories/59008"},{"type":"ADVISORY","url":"http://www.debian.org/security/2014/dsa-2941"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:112"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2217-1"},{"type":"EVIDENCE","url":"http://seclists.org/fulldisclosure/2014/Apr/319"},{"type":"EVIDENCE","url":"http://www.securityfocus.com/bid/67159"},{"type":"EVIDENCE","url":"https://mailman-mail5.webfaction.com/pipermail/lxml/2014-April/007128.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.html"},{"type":"WEB","url":"http://lxml.de/3.3/changes-3.3.5.html"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2014/Apr/210"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2014/05/09/7"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T06:23:35.726770915Z"}}