CVE-2007-3378: The (1) session_save_path, (2) ini_set, and (3) error_log functions in PHP 4.4.7 and earlier, and PHP 5 5.2...

Security readout for executives and security teams

This is an old PHP security bypass affecting PHP 4.4.7 and earlier and PHP 5.2.3 and earlier. If a server lets web content influence .htaccess PHP settings, attackers could bypass PHP safety boundaries and may execute commands. The business risk is concentrated in legacy PHP hosting environments. Most likely exposure is legacy PHP deployments using Apache-style .htaccess PHP directives, especially shared-hosting or older mod_php environments. Modern PHP versions are unlikely to be affected, but long-lived systems, appliances, or forgotten virtual hosts may still carry this risk. Prioritize if any public or shared-hosting system still runs the affected PHP generations. The age of the CVE lowers likelihood in maintained environments, but surviving legacy exposure could create command-execution risk and should be removed quickly. Mitigation focus: Inventory and retire PHP 4.x and early PHP 5.2 deployments.; Apply vendor or distribution PHP security updates referenced by your platform.; Check PHP release notes and distro advisories for fixed package versions..

Prepared

Jun 29, 2026, 04:47 UTC (UTC+00:00)

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