CVE-2026-94673
Received Received - Intake

Unauthenticated IDOR in Simply Schedule Appointments

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: Patchstack

Description
Unauthenticated Insecure Direct Object References (IDOR) in Simply Schedule Appointments <= 1.6.12.31 versions.

CVSS Scores

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-94673
EUVD
EUVD-2026-89847

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
simply_schedule_appointments simply_schedule_appointments to 1.6.12.31 (inc)
simply_schedule_appointments simply_schedule_appointments 1.6.12.33

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

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Executive Summary

This is an Unauthenticated Insecure Direct Object References (IDOR) vulnerability in the Simply Schedule Appointments WordPress plugin versions 1.6.12.31 and below. It allows unauthorized users to access other people's data by manipulating IDs in URLs without needing authentication.

Detection Guidance

To detect this IDOR vulnerability, inspect WordPress plugin versions. Check if Simply Schedule Appointments plugin is version 1.6.12.31 or below. Look for unauthorized data access patterns in server logs or by manipulating IDs in URLs and observing responses.

Impact Analysis

An attacker could exploit this to view sensitive appointment or user data belonging to other users. While the CVSS score is low (5.3), it still poses a privacy risk by exposing personal information through direct URL manipulation.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, potentially violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations must address it to maintain compliance with data protection regulations.

Mitigation Strategies

Immediately update the Simply Schedule Appointments plugin to version 1.6.12.33 or later. If updating is not possible, disable the plugin temporarily or seek assistance from your hosting provider or web developer.

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