CVE-2026-66679

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

6.5 Medium

CVE-2026-66679 is a medium vulnerability (CVSS 6.5) in Codepeople Appointment Hour Booking, published August 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.

What does this mean?

Severity: 6.5 MediumCVSS 3.1, CVE List
Exploit chance: 0.35%EPSS, 29th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: No fix listedNo source names one

Description

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.35%Unchanged since Aug 19, 2026

Affected products

codepeople appointment hour booking

What each source reports

CVE List Score used6.5

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

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

Record: CVE-2026-66679
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-1284
Updated: 2026-11-02

EUVDEUVD-2026-609336.5

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

Record: EUVD-2026-60933
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-j37p-88hf-r5j66.5

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

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

Record: GHSA-j37p-88hf-r5j6
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-1284
Updated: 2026-11-02

NVD6.5

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

Record: CVE-2026-66679
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-1284
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

Description

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

Affected products

What each source reports

History

References