Missing Authorization Vulnerability in NSquared Simply Schedule Appointments Plugin
CVE-2026-125437

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Simply Schedule Appointments
Vendor
CVE Published:
11 November 2026

What is CVE-2026-125437?

A missing authorization vulnerability has been identified in the NSquared Simply Schedule Appointments plugin for WordPress. This issue arises from incorrectly configured access control security levels, which may allow unauthorized users to gain access to functionalities that should be restricted. The vulnerability impacts various versions of the Simply Schedule Appointments plugin, including those from n/a to 1.6.13.0, posing a potential risk for users relying on this application for managing appointments.

Affected Version(s)

Simply Schedule Appointments 0 <= 1.6.13.0

References

https://patchstack.com/database/wordpress/plugin/simply-s...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Daniel | Patchstack Bug Bounty Program
.