What is CVE-2026-27377?

CVE-2026-27377 is a medium-severity vulnerability in Axiomthemes Quickcal - Appointment Booking Calendar For Wordpress, classified under Missing Authorization. CVSS score: 6.7/10. Published 2026-07-23.

How severe is CVE-2026-27377?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Auth bypass in Axiomthemes Quickcal - Appointment Booking Calendar For Wordpress

CVE-2026-27377

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress <= 1.0.16 versions.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:H.

Affected products

Axiomthemes Quickcal - Appointment Booking Calendar For Wordpress — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-27377?: CVE-2026-27377 is a medium-severity vulnerability in Axiomthemes Quickcal - Appointment Booking Calendar For Wordpress, classified under Missing Authorization. CVSS score: 6.7/10. Published 2026-07-23.
How severe is CVE-2026-27377?: Medium severity. CVSS v3 base score is 6.7 out of 10.