Emerging Threat: (CVE-2026-78006) The Events Calendar Remote Code Execution via PHP Object Injection
CVE-2026-78006 is a deserialization of untrusted data vulnerability (CWE-502) in The Events Calendar, a WordPress plugin published by StellarWP, that allows an attacker to achieve remote code execution on the underlying host. The flaw sits in the is_safe_widget_instance function, whose guard against unsafe object data can be bypassed.