CVE-2020-13756 – Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, p

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.

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13756

Reference (s):

• http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html
• http://seclists.org/fulldisclosure/2020/Jun/7
• https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4
• https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1