Simply Schedule Appointments < 1.6.12.6 - Unauthenticated Insecure Direct Object Reference
| CVE | CVE-2026-16540 |
|---|---|
| CVSS | 5.3 (Medium) |
| Publicly Published | August 6, 2026 |
| Last Updated | August 13, 2026 |
| Researcher |
Suleyman Huseynov
|
Description
The Simply Schedule Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to 1.6.12.6 due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to perform an unauthorized action.
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Vulnerability Details for Simply Schedule Appointments
| Software Type | Plugin |
|---|---|
| Software Slug | simply-schedule-appointments (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.6.12.6, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Simply Schedule Appointments
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