SQL Injection Vulnerability in Simply Schedule Appointments by NSquared
CVE-2026-39495

8.5HIGH

Key Information:

Vendor

WordPress
Status
Simply Schedule Appointments
Vendor
CVE Published:
8 April 2026

What is CVE-2026-39495?

An SQL Injection vulnerability exists in the Simply Schedule Appointments plugin developed by NSquared, allowing attackers to execute blind SQL commands. This flaw affects all versions up to 1.6.9.27, potentially compromising sensitive data and enabling unauthorized access. Site owners using affected versions should take immediate action to secure their installations.

Affected Version(s)

Simply Schedule Appointments 0 <= 1.6.9.27

References

https://patchstack.com/database/Wordpress/Plugin/simply-s...
vdb-entry

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.