CVE-2006-0603: Multiple cross-site scripting vulnerabilities in signed.php in Hinton Design phphg Guestbook 1.2 allow remo...

Security readout for executives and security teams

CVE-2006-0603 is a 2006 cross-site scripting issue in phphg Guestbook 1.2. If the guestbook is still public, attackers could inject script or HTML through guestbook fields. Business urgency depends on whether this old component remains deployed. Exposure is likely limited to sites still running phphg Guestbook 1.2, especially public guestbook pages using signed.php. The affected product metadata is incomplete in the CVE bundle, so confirm through asset inventory and code review. Treat as inventory-driven. If the product is not present, no action beyond documentation is needed. If internet-facing, prioritize removal or vendor-guided remediation because the component is old and publicly disclosed. Mitigation focus: Identify any phphg Guestbook 1.2 deployments and owners.; Check vendor or trusted advisory guidance for patches or workarounds.; Retire or isolate the guestbook if no maintained fix exists..

Prepared

Jun 29, 2026, 14:34 UTC (UTC+00:00)

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