CVE-2006-6142: Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.0 through 1.4.9 allow remote attack...

Security readout for executives and security teams

This is an old SquirrelMail cross-site scripting issue. A remote attacker could make vulnerable webmail pages run attacker-supplied script or HTML in a user's browser. Business risk is mainly legacy exposure: outdated SquirrelMail instances may let attackers abuse authenticated webmail sessions, steal data visible to the user, or conduct convincing phishing inside webmail. Exposure is likely limited to organizations still running SquirrelMail 1.4.0 through 1.4.9, including legacy distribution packages referenced by vendor advisories. Modern or retired webmail systems are unlikely to be affected unless old SquirrelMail code remains deployed. Treat this as a legacy hygiene issue with moderate urgency. It is not flagged as actively exploited in the supplied sources, but exposed outdated webmail can create user-session and phishing risk. Remediate or retire vulnerable SquirrelMail systems during the next security maintenance cycle, faster if internet-facing. Mitigation focus: Inventory SquirrelMail deployments and remove unsupported legacy instances.; Check vendor advisories for corrected SquirrelMail packages or upgrade guidance.; Prioritize internet-facing webmail before internal-only systems..

Prepared

Jun 29, 2026, 08:58 UTC (UTC+00:00)

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