{"id":"CVE-2020-13756","aliases":["GHSA-phrq-v4q2-hmq6"],"url":"https://o3.security/vulnerability/CVE-2020-13756","summary":"Sabberworm PHP CSS Parser Code injection vulnerability in allSelectors()","details":"Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker.","published":"2020-06-03T14:15:12.703Z","modified":"2026-07-08T05:59:34.344095628Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"8.3.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"8.2.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"8.1.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"8.0.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"7.0.4"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"6.0.2"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"5.2.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"5.1.3"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"5.0.9"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"4.0.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"3.0.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"2.0.1"},{"ecosystem":"Packagist","name":"sabberworm/php-css-parser","fixedVersion":"1.0.1"}],"fix":{"url":"https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4","label":"sabberworm/PHP-CSS-Parser@2ebf59e"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00013.html"},{"type":"ADVISORY","url":"https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1"},{"type":"FIX","url":"https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html"},{"type":"EVIDENCE","url":"http://seclists.org/fulldisclosure/2020/Jun/7"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:59:34.344095628Z"}}