{"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":{"url":"https://github.com/lxml/lxml/pull/273","label":"lxml/lxml#273"},"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"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2014-3146"},{"type":"WEB","url":"https://github.com/lxml/lxml/pull/273"},{"type":"WEB","url":"https://github.com/lxml/lxml/commit/3f3082e0a67851cde26a48da3d1f4b75d8aa07ec"},{"type":"WEB","url":"https://github.com/lxml/lxml/commit/86e81ab393ba14c1be71284675851a3bdce57d69"},{"type":"WEB","url":"https://github.com/lxml/lxml/commit/e86b294f1f81b899a59925123560ff924a72f1cc"},{"type":"PACKAGE","url":"https://github.com/lxml/lxml"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2014-9.yaml"},{"type":"WEB","url":"https://web.archive.org/web/20140724172044/http://secunia.com/advisories/58013"},{"type":"WEB","url":"https://web.archive.org/web/20140805110535/http://secunia.com/advisories/59008"},{"type":"WEB","url":"https://web.archive.org/web/20140806061046/http://secunia.com/advisories/58744"},{"type":"WEB","url":"https://web.archive.org/web/20141017122607/https://mailman-mail5.webfaction.com/pipermail/lxml/2014-April/007128.html"},{"type":"WEB","url":"https://web.archive.org/web/20150523055039/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2015:112/?name=MDVSA-2015:112"},{"type":"WEB","url":"https://web.archive.org/web/20200228180542/http://www.securityfocus.com/bid/67159"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T06:23:35.726770915Z"}}