CVE-2003-0559: Phpforum

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

mainfile.php in phpforum 2 RC-1, and possibly earlier versions, allows remote attackers to execute arbitrary PHP code by modifying the MAIN_PATH parameter to reference a URL on a remote web server that contains the code.

Affected products

Published 2003-08-18. Last modified 2026-06-16.