{"action":"Upgrade lxml to 4.6.3 or later.","affected":[{"fixed":"4.6.3","introduced":"0"}],"component":"lxml","cve_ids":["CVE-2021-28957"],"ecosystem":"PyPI","epss":0.04035,"exploited":false,"fixed_versions":["4.6.3"],"ghsa_id":"GHSA-jq4v-f5q6-mjqq","id":"tcs_01M5KGBHYRED968XW92H8YWDP1","modified_at":"2023-11-08T04:05:32.182293Z","published_at":"2021-03-21T05:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-19","https://bugs.launchpad.net/lxml/+bug/1888153","https://github.com/lxml/lxml/pull/316/commits/10ec1b4e9f93713513a3264ed6158af22492f270","https://lists.debian.org/debian-lts-announce/2021/03/msg00031.html","https://github.com/lxml/lxml/commit/a5f9cb52079dc57477c460dbe6ba0f775e14a999","https://www.debian.org/security/2021/dsa-4880","https://github.com/advisories/GHSA-jq4v-f5q6-mjqq"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-19","url":"https://osv.dev/vulnerability/PYSEC-2021-19"}],"summary":"An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safe_attrs_only and forms arguments, the Cleaner class does not remove the formaction attrib"}