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CVE-2026-9180: MotoPress Appointment Booking <= 2.4.4 - Unauthenticated Insecure Direct Object Reference to 'payment_details.booking_id' Parameter

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-03 · updated 2026-07-06
• Weakness: CWE-639

Description

The MotoPress Appointment Booking plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in all versions up to, and including, 2.4.4. This is due to the `POST /motopress/appointment/v1/bookings` REST endpoint being registered with `'permission_callback' => '__return_true'`, allowing unauthenticated access, while the `createBooking` handler in `BookingsRestController.php` accepts an attacker-supplied `payment_details.booking_id` value and loads the referenced booking via `findById()` without verifying that the caller owns or has any rights to that booking. This makes it possible for unauthenticated attackers to overwrite the customer name, email address, phone number, and `customer_id` of any non-confirmed victim booking by submitting a request with no reservation items, causing `BookingService::createBooking()` to load the existing victim booking object and persist it with attacker-controlled customer data. Victim booking IDs can be harvested prior to exploitation without authentication by querying the also-publicly-accessible `GET /motopress/appointment/v1/bookings/reservations` endpoint with a guessable `service_id` and date range, and only bookings whose status is not `STATUS_CONFIRMED` (e.g., pending or auto-draft) are valid targets.

Affected products

• jetmonsters MotoPress Appointment Booking: through 2.4.4

References

• https://plugins.trac.wordpress.org/browser/motopress-appointment-lite/tags/2.4.3/includes/rest/controllers/motopress/appointment/v1/BookingsRestController.php#L30
• https://plugins.trac.wordpress.org/browser/motopress-appointment-lite/tags/2.4.3/includes/rest/controllers/motopress/appointment/v1/BookingsRestController.php#L308
• https://plugins.trac.wordpress.org/browser/motopress-appointment-lite/tags/2.4.3/includes/rest/controllers/motopress/appointment/v1/BookingsRestController.php#L98
• https://plugins.trac.wordpress.org/browser/motopress-appointment-lite/tags/2.4.3/includes/services/BookingService.php#L29
• https://plugins.trac.wordpress.org/changeset/3583168/motopress-appointment-lite/trunk/includes/rest/controllers/motopress/appointment/v1/BookingsRestController.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e9a6521d-39b2-48f4-834b-888047619df5?source=cve

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