CVE-2006-5525: Incomplete blacklist vulnerability in mainfile.php in PHP-Nuke 7.9 and earlier allows remote attackers to c...

Security readout for executives and security teams

CVE-2006-5525 affects legacy PHP-Nuke installations, version 7.9 and earlier. A flawed input blacklist can miss SQL injection attempts, allowing a remote attacker to target database-backed pages. The source bundle confirms public exploit reference material, but not active exploitation. Exposure is most likely where PHP-Nuke 7.9 or earlier remains internet-accessible, especially with the Encyclopedia module enabled. Modern sites not running PHP-Nuke are not implicated by the provided evidence. Treat this as a legacy-technology risk. Prioritize remediation if PHP-Nuke 7.9 or earlier is public-facing, because SQL injection can threaten sensitive database content and old PHP applications are often difficult to secure reliably. Mitigation focus: Identify and retire or replace PHP-Nuke 7.9 and earlier installations.; Check archived vendor or project guidance for any applicable maintained fix.; Restrict public access to legacy PHP-Nuke administrative and module routes..

Prepared

Jun 29, 2026, 09:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.