CVE-2026-27377: Axiomthemes Quickcal - Appointment Booking Calendar For WordPress

Medium severity, CVSS 6.7. EPSS: 0.4% chance of exploitation in the next 30 days.

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

Affected products

• Axiomthemes Quickcal - Appointment Booking Calendar For WordPress: up to and including 1.0.16

Published 2026-07-23. Last modified 2026-07-23.