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"7922BC86-D318-404B-A39B-8AC9B1AF70BF", "vulnerable": true}, {"criteria": "cpe:2.3:a:lxml:lxml:3.3.3:*:*:*:*:*:*:*", "matchCriteriaId": "26BFDC2C-CAFE-4301-903F-31713885EB94", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Vulnerabilidad de lista negra incompleta en el m\u00f3dulo lxml.html.clean en lxml anterior a 3.3.5 permite a atacantes remotos realizar ataques de XSS a trav\u00e9s de caracteres de control en la esquema de enlace hacia la funci\u00f3n clean_html."}], "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/184.html\n\n\"CWE-184: Incomplete Blacklist\"", "id": "CVE-2014-3146", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}]}, "published": "2014-05-14T19:55:11.653", "references": [{"source": "secalert@redhat.com", "url": "http://advisories.mageia.org/MGASA-2014-0218.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.html"}, {"source": "secalert@redhat.com", "url": "http://lxml.de/3.3/changes-3.3.5.html"}, {"source": "secalert@redhat.com", "url": "http://seclists.org/fulldisclosure/2014/Apr/210"}, 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{"bugzilla": {"description": "python-lxml: clean_html input sanitization flaw", "id": "1092613", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1092613"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "status": "draft"}, "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."], "name": "CVE-2014-3146", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "python-lxml", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "python-lxml", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "python-lxml", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2014-04-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-3146\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-3146"], "statement": "Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Low"}