CVE-2025-69315: Nsquared Simply Schedule Appointments

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.15.

Affected products

• Nsquared Simply Schedule Appointments: up to and including 1.6.9.15

Published 2026-01-22. Last modified 2026-06-17.