CVE-2026-9055 Booking for Appointments and Events Calendar – Amelia (Premium) 8.0 - 9.6.2 - Unauthenticated Privilege Escalation to Administrator via 'externalId'

The Booking for Appointments and Events Calendar – Amelia Premium plugin for WordPress is vulnerable to Privilege Escalation in versions 8.0 - 9.6.2. This is due to insufficient validation of the attacker-controlled 'type' parameter in the customer update endpoint, which allows customers to set...

CVE-2026-5465 Amelia <= 2.1.3 - Insecure Direct Object Reference to Authenticated (Employee+) Privilege Escalation via 'externalId' Parameter

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.3. This is due to the UpdateProviderCommandHandler failing to validate changes to the externalId field when a Provider Employe...

CVE-2026-5465

Summary (technical): The Amelia Booking for Appointments and Events Calendar WordPress plugin (versions ≤ 2.1.3) is affected by an Insecure Direct Object Reference (IDOR) in the UpdateProviderCommandHandler. The handler does not validate ownership when a Provider (Employee) user updates their pro...

WordPress Amelia plugin <= 2.1.3 - Insecure Direct Object Reference to Authenticated (Employee+) Privilege Escalation via 'externalId' Parameter vulnerability

Insecure Direct Object Reference to Authenticated Employee+ Privilege Escalation via 'externalId' Parameter vulnerability discovered by Osvaldo Noe Gonzalez Del Rio Os - krei.dev | ogbuilders.io in WordPress Plugin Amelia versions = 2.1.3...