Simply Schedule Appointments permits high-impact cross-site requests
Simply Schedule Appointments through 1.6.12.23 does not adequately protect an affected state-changing operation from cross-site request forgery. An attacker can induce an interacting logged-in user to submit the request with the victim's WordPress privileges.
- Component
- Simply Schedule Appointments
- Plugin slug
simply-schedule-appointments- Affected
- n/a through 1.6.12.23
- Safe version
1.6.12.24- Published
- Sep 02, 2026
This CVE was published Sep 02, 2026 and is one of 38 known issues for this plugin.
Update, patch or deactivate.
Update to 1.6.12.24 or later and review appointment and administrative activity for unauthorized changes.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments <= 1.6.12.23 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H