Unauthenticated SQL Injection in Simply Schedule Appointments by SimplySchedule
CVE-2026-65508

9.3CRITICAL

Key Information:

Vendor

WordPress
Status
Simply Schedule Appointments
Vendor
CVE Published:
6 August 2026

What is CVE-2026-65508?

An unauthenticated SQL Injection vulnerability has been identified in Simply Schedule Appointments versions up to 1.6.12.10. This flaw allows attackers to exploit the application's database queries, potentially leading to unauthorized access and manipulation of sensitive information. Users are advised to update to the latest version to mitigate this security risk.

Affected Version(s)

Simply Schedule Appointments <= 1.6.12.10

References

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

CVSS V3.1

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.