Security Advisory
CVE-2026-59523
6.5
MEDIUM
Vulnerability Description
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 <= 1.6.11.11.
Published Date
July 13, 2026
Official Source
NIST NVD Advisory