Remote Code Execution in Sabberworm PHP CSS Parser before 8.3.1 via Uncontrolled Data Evaluation

CVE-2020-13756 · CRITICAL Severity

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

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.

Learn more about our Web Application Penetration Testing UK.