CVE-2020-26870

{"id": "CVE-2020-26870", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2020-10-07T16:15:18.030", "references": [{"url": "https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00029.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.oracle.com//security-alerts/cpujul2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements."}, {"lang": "es", "value": "Cure53 DOMPurify versiones anteriores a 2.0.17, permite una mutaci\u00f3n de XSS. Esto ocurre porque un viaje de ida y vuelta de an\u00e1lisis serializado no necesariamente devuelve el \u00e1rbol DOM original, y un espacio de nombres puede cambiar de HTML a MathML, como es demostrado al anidar los elementos FORM"}], "lastModified": "2022-04-27T18:49:51.923", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cure53:dompurify:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1912C4C9-2CB9-4FE6-99ED-B0D60F553977", "versionEndExcluding": "2.0.17"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6290EF90-AB91-4990-8D44-4F64F49AE133"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3886D126-9ADC-4AAF-8169-70F3DE3A7773"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E904F8BF-C415-43BC-89BD-8AD912BEA82A"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E47AD481-C23D-4610-B9BC-844F7B8F7A28"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BBE9B863-01E5-486C-8B9D-6DC0F78222A7"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F02ECEF-AC7D-4C4C-9A95-890D135F7286", "versionEndExcluding": "21.1.0.00.01"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}