CVE-2026-86839

LowCVSS 3.8/10Last modified Sep 28, 2026

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.

Metrics

CVSS 3.1 3.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-639

Affected software

No affected versions have been published.

Timeline

Published: Sep 27, 2026
Last modified: Sep 28, 2026
NVD status: Deferred

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