The Booking Calendar for Appointments and Service Businesses – Booktics plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'Extension_Controller::update_item_permissions_check' function in all versions up to, and including, 1.0.16. This makes it possible for unauthenticated attackers to install addon plugins.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Booktics Plugin | — | Update booktics plugin to version 1.0.17, or a newer patched version | Apr 30, 2026 | Mar 9, 2026 |
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