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OpenAdvisories
Low · 3.8 CVE-2026-86839 EUVD-2026-87890GHSA-36wf-cx88-gfjh

Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via IDOR

Published Sep 27, 2026 · Updated Sep 28, 2026 · Assigned by WPScan

Description

The Online Scheduling and Appointment Booking System WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.

Affected products

VendorProductAffectedFixed
— Online Scheduling and Appointment Booking System < 28.3 28.3

References