{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-23980", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "dateUpdated": "2025-03-19T15:18:23.189Z", "dateReserved": "2021-01-13T00:00:00.000Z", "datePublished": "2023-02-16T00:00:00.000Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2023-02-16T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True." } ], "affected": [ { "vendor": "Mozilla", "product": "Mozilla Bleach", "versions": [ { "version": "unspecified", "lessThan": "3.3.0", "status": "affected", "versionType": "custom" } ] } ], "references": [ { "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980" } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": " mutation XSS via allowed math or svg; p or br; and style, title, noscript, script, textarea, noframes, iframe, or xmp tags with strip_comments=False" } ] } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "source": { "discovery": "UNKNOWN" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:09.990Z" }, "title": "CVE Program Container", "references": [ { "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq", "tags": [ "x_transferred" ] }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-79", "lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" } ] } ], "metrics": [ { "cvssV3_1": { "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" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-03-19T15:18:14.680659Z", "id": "CVE-2021-23980", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-19T15:18:23.189Z" } } ] } }