CVE-2006-3735: Multiple PHP remote file inclusion vulnerabilities in Mail2Forum (module for phpBB) 1.2 and earlier allow r...

Security readout for executives and security teams

CVE-2006-3735 affects old Mail2Forum installations for phpBB. If vulnerable files are exposed, an attacker may be able to make the server load attacker-controlled PHP and run code. This is mainly a legacy exposure risk, but the business impact can be full website compromise. Exposure is likely limited to legacy phpBB sites that still run Mail2Forum 1.2 or earlier and expose the m2f directory publicly. Modern systems are unlikely affected unless old code remains deployed. Treat as high priority if any public legacy phpBB site still uses Mail2Forum. If the component is absent, no direct exposure is indicated by the supplied sources. Mitigation focus: Identify and remove unsupported Mail2Forum installations where possible.; Check vendor or project guidance for any upgrade or fixed release information.; Restrict public access to the affected m2f PHP files if removal is delayed..

Prepared

Jun 29, 2026, 11:25 UTC (UTC+00:00)

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