{"cve":"CVE-2020-6802","nvd":{"published":"2020-03-24T22:15:12.563","modified":"2026-06-17T03:23:50.010","status":"Modified","description":"In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags option.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://advisory.checkmarx.net/advisory/CX-2020-4276","https://github.com/mozilla/bleach/security/advisories/GHSA-q65m-pv3f-wr5r","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/72R4VFFHDRSQMNT7IZU3X2755ZP4HGNI/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OCNLM2MGQTOLCIVVYS2Z5S7KOQJR5JC4/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTULPQB7HVPPYWEYVNHJGDTSPVIDHIZX/"],"products":["fedoraproject:fedora","mozilla:bleach"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-6802","score":0.01731,"percentile":0.77618,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q65m-pv3f-wr5r","url":"https://osv.dev/vulnerability/GHSA-q65m-pv3f-wr5r","summary":"XSS in Bleach when noscript and raw tag whitelisted","modified":"2026-07-08T06:29:24.337403709Z","packages":[{"ecosystem":"PyPI","name":"bleach","purl":"pkg:pypi/bleach","ranges":["<3.1.1"],"fixed":["3.1.1"]}]},{"id":"PYSEC-2020-27","url":"https://osv.dev/vulnerability/PYSEC-2020-27","summary":"","modified":"2023-11-08T04:03:57.056470Z","packages":[{"ecosystem":"PyPI","name":"bleach","purl":"pkg:pypi/bleach","ranges":["<3.1.1"],"fixed":["3.1.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}