CVE-2026-1932: Bssoftware Appointment Booking Calendar Plugin – Bookr

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Appointment Booking Calendar Plugin – Bookr plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the update-appointment REST API endpoint in all versions up to, and including, 1.0.2. This makes it possible for unauthenticated attackers to modify the status of any appointment.

Affected products

• Bssoftware Appointment Booking Calendar Plugin – Bookr: up to and including 1.0.2

Published 2026-02-14. Last modified 2026-06-17.