CVE-2026-59523

WordPress Simply Schedule Appointments plugin <= 1.6.11.11 - Broken Access Control vulnerability

State: Published
Severity: 6.5 Medium
Published: Jul 13, 2026
Updated: Oct 9, 2026
Reserved: Jul 5, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	Patchstack

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
Simply Schedule AppointmentsNSquared	1.6.11.11 and earlierAffectedfrom 1.6.12.0Not affected

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=cvevdb-entry

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