CVE-2020-37137: PHP-Fusion Phpfusion

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

PHP-Fusion 9.03.50 contains a remote code execution vulnerability in the 'add_panel_form()' function that allows attackers to execute arbitrary code through an eval() function with unsanitized POST data. Attackers can exploit the vulnerability by sending crafted panel_content POST parameters to the panels.php administration endpoint to execute malicious code.

Affected products

• PHP-Fusion Phpfusion: version 9.03.50 only

Published 2026-02-05. Last modified 2026-06-17.