Simply Schedule Appointments through 1.6.12.10 permits unauthenticated SQL injection
An unauthenticated attacker can send crafted input that reaches a database query without safe parameterization in Simply Schedule Appointments 1.6.12.10 and earlier. Successful exploitation can read or alter WordPress database data within the permissions of the site database account.
- Component
- Simply Schedule Appointments
- Plugin slug
simply-schedule-appointments- Affected
- n/a through 1.6.12.10
- Safe version
1.6.12.11- Published
- Aug 06, 2026
This CVE was published Aug 06, 2026 and is one of 38 known issues for this plugin.
Update, patch or deactivate.
Update Simply Schedule Appointments to 1.6.12.11 or later and review application and database logs for injection attempts.
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 SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L