CVE-2026-59523

EUVD-2026-43434
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
PatchstackCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
nsquaredsimply_schedule_appointments
𝑥
≤ 1.6.11.11
CNA
Common Weakness Enumeration
References
https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-11-11-broken-access-control-vulnerability?_s_id=cve