CVE-2026-13358: Authorization Bypass Through User-Controlled Key

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.10 via the ssapastappointments due to missing validation on a user controlled key. This makes it...

CVE-2025-4667: Improper Neutralization of Input During Web Page Generation

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssaadminupcomingappointments, ssaadminupcomingappointments, and ssapastappointments shortcodes in all versions up to, and including,...