EUVD-2026-11754CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
3Description
The Appointment Booking Calendar - Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.9.29. This is due to the `get_item_permissions_check` method granting access to users with the `ssa_manage_appointments` capability without validating staff ownership of the requested appointment. This makes it possible for authenticated attackers, with custom-level access and above (users granted the ssa_manage_appointments capability, such as Team Members), to view appointment records belonging to other staff members and access sensitive customer personally identifiable information via the appointment ID parameter.
Analysis
An Insecure Direct Object Reference (IDOR) vulnerability exists in the Appointment Booking Calendar - Simply Schedule Appointments plugin for WordPress versions up to 1.6.9.29, allowing authenticated users with the ssa_manage_appointments capability to access appointment records belonging to other staff members without authorization. Attackers can exploit the get_item_permissions_check method to enumerate and view sensitive customer personally identifiable information by manipulating appointment ID parameters. …
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Remediation
Within 30 days: Identify affected systems running plugin for WordPress is vulnerable to Insecure Direct Object and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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