CVE-2020-13756 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8