Unauthenticated Cross Site Request Forgery in Simply Schedule Appointments by WordPress
CVE-2026-84764

8.8HIGH

Key Information:

Vendor

WordPress
Status
Simply Schedule Appointments
Vendor
CVE Published:
2 September 2026

What is CVE-2026-84764?

The Simply Schedule Appointments plugin for WordPress is susceptible to a Cross Site Request Forgery (CSRF) vulnerability, allowing attackers to perform unauthorized actions on behalf of users who are logged into an affected version (<= 1.6.12.23). This vulnerability can potentially lead to changes in user settings, creation of rogue appointments, or other harmful actions without the consent of the legitimate user. It is crucial for site administrators to implement appropriate security measures to mitigate this risk.

Affected Version(s)

Simply Schedule Appointments <= 1.6.12.23

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Anthony Green of Greenhat Security | Patchstack Bug Bounty Program
.