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OpenAdvisories
Medium · 5.3 CVE-2026-18777 EUVD-2026-62282GHSA-8fxq-m46w-rjrf

TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Arbitrary Appointment Status Change via update_appointment_status

Published Aug 19, 2026 · Updated Aug 19, 2026 · Assigned by WPScan

Description

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers.

Affected products

VendorProductAffectedFixed
— TrueBooker < 1.2.7 1.2.7

References