CVE-2026-13424 Online Scheduling and Appointment Booking System <= 27.7 - Unauthenticated Stored Cross-Site Scripting via bookly_speed_up_update_addons AJAX action

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via booklyspeedupupdateaddons AJAX action in all versions up to, and including, 27.7 due to insufficient input sanitization and output escaping. This makes it possible f...