CVE-2026-87891
UnknownSummary
The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule. This allows unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed.
Risk Assessment
An unauthenticated attacker can disrupt booking availability or open unauthorized dates, causing financial losses and customer dissatisfaction. The risk to data integrity and service availability is high.
Recommendation
Update the plugin to version 1.2.0 or later to fix the missing capability check.
Other vulnerabilities in Rox Appointment Booking
See all- CVE-2026-87894Unknown
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. This allows unauthenticated attackers to read any customer's name, email, phone, booking details and payment status by enumerating that identifier.
- CVE-2026-87892Unknown
The Rox Appointment Booking WordPress plugin before 1.2.0 does not verify the order total or the selected payment method against its own server-side pricing when creating a booking. This allows unauthenticated attackers to create confirmed bookings at an arbitrary price and to bypass the site's configured payment-method restrictions.
Original NVD description (English source)
The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed.