CVE-2008-1591: Postnuke

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

The pnVarPrepForStore function in PostNuke 0.764 and earlier skips input sanitization when magic_quotes_runtime is enabled, which allows remote attackers to conduct SQL injection attacks and execute arbitrary SQL commands via input associated with server variables, as demonstrated by the CLIENT_IP HTTP header (HTTP_CLIENT_IP variable).

Affected products

• Postnuke Postnuke: up to and including 0.764

Published 2008-03-31. Last modified 2026-06-16.