CVE-2026-39694
Received Received - Intake
Missing Authorization in Simply Schedule Appointments

Publication date: 2026-04-08

Last updated on: 2026-04-29

Assigner: Patchstack

Description
Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.10.2.
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Meta Information
Published
2026-04-08
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-04-08
EPSS Evaluated
2026-06-15
NVD
CVE-2026-39694
EUVD
EUVD-2026-20391
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
n_squared simply_schedule_appointments to 1.6.10.2 (inc)
n_squared simply_schedule_appointments From 1.0.0 (inc) to 1.6.10.2 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
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Executive Summary

This vulnerability is a Missing Authorization issue in the NSquared Simply Schedule Appointments plugin. It occurs due to incorrectly configured access control security levels, which means that the application does not properly restrict access to certain functions or data. As a result, unauthorized users may be able to perform actions or access information they should not have permission to.

Impact Analysis

The impact of this vulnerability is that unauthorized users could exploit the incorrect access control to gain access to restricted features or sensitive data within the Simply Schedule Appointments application. This could lead to data exposure, unauthorized changes, or other security breaches depending on what the application controls.

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