CVE-2026-66679 PUBLISHED

WordPress Appointment Hour Booking plugin <= 1.5.91 - Broken Access Control vulnerability

Assigner: Patchstack
Reserved: 27.07.2026 Published: 18.08.2026 Updated: 18.08.2026

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

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	codepeople
Product	Appointment Hour Booking
Versions	Default: unaffected affected from n/a to 1.5.91 (incl.)

Credits

Tiago Ventura (@perses) | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/appointment-hour-booking/vulnerability/wordpress-appointment-hour-booking-plugin-1-5-91-broken-access-control-vulnerability?_s_id=cve

Problem Types

CWE-1284 Improper Validation of Specified Quantity in Input CWE

Impacts

CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels