CVE-2026-87894: Unknown Rox Appointment Booking

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

The Rox Appointment Booking WordPress plugin before 1.2.3 does not perform any authorization check on the endpoint that returns a booking's confirmation details, and each booking is addressed by a sequential numeric identifier, allowing unauthenticated attackers to read any customer's name, email, phone, booking details and payment status by enumerating that identifier.

Affected products

• Unknown Rox Appointment Booking: from 1.0.9, before 1.2.3 (fixed in 1.2.3)

Published 2026-09-12. Last modified 2026-09-14.