CVE-2020-6816

{"containers": {"cna": {"affected": [{"product": "Mozilla Bleach", "vendor": "n/a", "versions": [{"status": "affected", "version": "<=3.11"}]}], "descriptions": [{"lang": "en", "value": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False."}], "problemTypes": [{"descriptions": [{"description": "mutation XSS", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-03-30T22:35:40.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"}, {"tags": ["x_refsource_MISC"], "url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"}, {"name": "FEDORA-2020-e0f35d634c", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/"}, {"tags": ["x_refsource_MISC"], "url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2020-6816", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Mozilla Bleach", "version": {"version_data": [{"version_value": "<=3.11"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "mutation XSS"}]}]}, "references": {"reference_data": [{"name": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743", "refsource": "MISC", "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"}, {"name": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach", "refsource": "MISC", "url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"}, {"name": "FEDORA-2020-e0f35d634c", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/"}, {"name": "https://advisory.checkmarx.net/advisory/CX-2020-4277", "refsource": "MISC", "url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:11:05.111Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"}, {"name": "FEDORA-2020-e0f35d634c", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-6816", "datePublished": "2020-03-24T21:15:40.000Z", "dateReserved": "2020-01-10T00:00:00.000Z", "dateUpdated": "2024-08-04T09:11:05.111Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Mozilla Bleach", "vendor": "n/a", "versions": [{"status": "affected", "version": "<=3.11"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:*", "matchCriteriaId": "8222FCFB-863B-4ED6-BBB2-2CBB03F286C3", "versionEndExcluding": "3.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False."}, {"lang": "es", "value": "En Mozilla Bleach versiones anteriores a 3.12, una mutaci\u00f3n de XSS en bleach.clean cuando RCDATA y las etiquetas svg o math est\u00e1n en la lista blanca y el argumento de la palabra clave strip=False."}], "id": "CVE-2020-6816", "lastModified": "2026-06-17T03:23:51.570", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-24T22:15:12.657", "references": [{"source": "security@mozilla.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"}, {"source": "security@mozilla.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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