{"action":"Upgrade bleach to 3.1.2 or later.","affected":[{"fixed":"3.1.2","introduced":"0"}],"component":"bleach","cve_ids":["CVE-2020-6816"],"ecosystem":"PyPI","epss":0.0134,"exploited":false,"fixed_versions":["3.1.2"],"ghsa_id":"GHSA-m6xf-fq7q-8743","id":"tcs_01M5KFQGN4TBP9J0MHV2BWET8P","modified_at":"2026-07-08T06:00:46.400344992Z","published_at":"2020-03-24T15:06:32Z","references":["https://osv.dev/vulnerability/GHSA-m6xf-fq7q-8743","https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743","https://nvd.nist.gov/vuln/detail/CVE-2020-6816","https://advisory.checkmarx.net/advisory/CX-2020-4277","https://github.com/mozilla/bleach","https://github.com/mozilla/bleach/releases/tag/v3.1.2","https://github.com/pypa/advisory-database/tree/main/vulns/bleach/PYSEC-2020-28.yaml","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5","https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-m6xf-fq7q-8743","url":"https://osv.dev/vulnerability/GHSA-m6xf-fq7q-8743"}],"summary":"Bleach vulnerable to mutation XSS via whitelisted math or svg and raw tag"}