EUVD-2026-59859

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...

PT-2026-73084

Name of the Vulnerable Software and Affected Versions Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin versions prior to 1.6.12.11 Description An Insecure Direct Object Reference exists due to missing validation on a user-controlled key within ssa past appointments...