CVE-2026-110381

WordPress Simply Schedule Appointments plugin <= 1.6.12.35 - Insecure Direct Object References (IDOR) vulnerability

Published Oct 15, 2026 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Authorization Bypass Through User-Controlled Key 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 1.6.12.35.

Remediation

Vendor Solution

Update the WordPress Simply Schedule Appointments plugin to the latest available version (at least 1.6.12.37).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Nsquared
Nsquared simply Schedule Appointments
Wordpress-extensions
Wordpress-extensions simply Schedule Appointments
Vendors & Products Nsquared
Nsquared simply Schedule Appointments
Wordpress-extensions
Wordpress-extensions simply Schedule Appointments
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Authorization Bypass Through User-Controlled Key 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 1.6.12.35.
Title WordPress Simply Schedule Appointments plugin <= 1.6.12.35 - Insecure Direct Object References (IDOR) vulnerability
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 16, 2026, 5:12 PM
Reserved
Oct 14, 2026, 12:22 AM
Status
Deferred
Published
Oct 15, 2026, 6:17 PM
Modified
Oct 16, 2026, 6:17 PM