CVE-2026-66679
Received Received - Intake

Unauthenticated Broken Access Control in Appointment Hour Booking

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description
Unauthenticated Broken Access Control in Appointment Hour Booking <= 1.5.91 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-66679
EUVD
EUVD-2026-60933

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
appointment_hour_booking appointment_hour_booking to 1.5.91 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-1284 The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is an Unauthenticated Broken Access Control vulnerability in the Appointment Hour Booking plugin versions 1.5.91 and below. It allows unauthorized users to manipulate access controls without authentication, potentially leading to unauthorized actions or data exposure.

Impact Analysis

An attacker could exploit this to perform unauthorized actions, modify data, or gain elevated privileges in the system. The impact includes potential data breaches, unauthorized scheduling changes, or disruption of services.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR (data protection) and HIPAA (healthcare data privacy) requirements. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Update the Appointment Hour Booking plugin to the latest version to address the unauthenticated broken access control vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-66679. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart