CVE-2001-0320: Francisco Burzi PHP-Nuke

High severity, CVSS 10.0. EPSS: 2.6% chance of exploitation in the next 30 days.

bb_smilies.php and bbcode_ref.php in PHP-Nuke 4.4 allows remote attackers to read arbitrary files and gain PHP administrator privileges by inserting a null character and .. (dot dot) sequences into a malformed username argument.

Affected products

• Francisco Burzi PHP-Nuke: version 4.0.4 only; version 4.4 only

Published 2001-05-03. Last modified 2026-06-16.