{"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"}}]}}