{"action":"Upgrade sabberworm/php-css-parser to 1.0.1 or later.","affected":[{"fixed":"8.3.1","introduced":"8.3.0"},{"fixed":"8.2.1","introduced":"8.2.0"},{"fixed":"8.1.1","introduced":"8.1.0"},{"fixed":"8.0.1","introduced":"8.0.0"},{"fixed":"7.0.4","introduced":"7.0.0"},{"fixed":"6.0.2","introduced":"6.0.0"},{"fixed":"5.2.1","introduced":"5.2.0"},{"fixed":"5.1.3","introduced":"5.1.0"},{"fixed":"5.0.9","introduced":"5.0.0"},{"fixed":"4.0.1","introduced":"4.0.0"},{"fixed":"3.0.1","introduced":"3.0.0"},{"fixed":"2.0.1","introduced":"2.0.0"},{"fixed":"1.0.1","introduced":"1.0.0"}],"component":"sabberworm/php-css-parser","cve_ids":["CVE-2020-13756"],"ecosystem":"Packagist","epss":0.49797,"exploited":false,"fixed_versions":["8.3.1","8.2.1","8.1.1","8.0.1","7.0.4","6.0.2","5.2.1","5.1.3","5.0.9","4.0.1","3.0.1","2.0.1","1.0.1"],"ghsa_id":"GHSA-phrq-v4q2-hmq6","id":"tcs_01M5KF6DT9GPP7E8KSRSDP963H","modified_at":"2025-11-03T22:10:19.619337Z","published_at":"2022-03-26T00:15:22Z","references":["https://osv.dev/vulnerability/GHSA-phrq-v4q2-hmq6","https://nvd.nist.gov/vuln/detail/CVE-2020-13756","https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4","https://github.com/FriendsOfPHP/security-advisories/blob/master/sabberworm/php-css-parser/CVE-2020-13756.yaml","https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1","https://lists.debian.org/debian-lts-announce/2025/10/msg00013.html","https://packetstormsecurity.com/files/cve/CVE-2020-13756","http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html","http://seclists.org/fulldisclosure/2020/Jun/7"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-phrq-v4q2-hmq6","url":"https://osv.dev/vulnerability/GHSA-phrq-v4q2-hmq6"}],"summary":"Sabberworm PHP CSS Parser Code injection vulnerability in allSelectors()"}