{"id":"UBUNTU-CVE-2020-6802","details":"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.","modified":"2026-03-10T02:37:53.175147Z","published":"2020-03-24T22:15:00Z","related":["USN-8077-1"],"upstream":["CVE-2020-6802"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-6802"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1615315"},{"type":"REPORT","url":"https://github.com/mozilla/bleach/security/advisories/GHSA-q65m-pv3f-wr5r"},{"type":"REPORT","url":"https://github.com/mozilla/bleach/commit/f77e0f6392177a06e46a49abd61a4d9f035e57fd"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-6802"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8077-1"}],"affected":[{"package":{"name":"python-bleach","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/python-bleach@2.1.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.2-1ubuntu0.1~esm1"}]}],"versions":["2.0-1","2.1.2-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.1.2-1ubuntu0.1~esm1","binary_name":"python-bleach"},{"binary_version":"2.1.2-1ubuntu0.1~esm1","binary_name":"python3-bleach"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6802.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}