CVE-2006-5733: Postnuke Software Foundation Postnuke

High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days.

Directory traversal vulnerability in error.php in PostNuke 0.763 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the PNSVlang (PNSV lang) cookie, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by error.php.

Affected products

• Postnuke Software Foundation Postnuke: up to and including 0.763; version 0.762 only

Published 2006-11-06. Last modified 2026-06-16.