PT-2026-109527

The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.4.3 via the wpbc is show popover in flex timeline function. This makes it possible for unauthenticated attackers to extract sensitive data including names, email...

EUVD-2026-5082

The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbcajaxWPBCFLEXTIMELINENAV function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information...

CVE-2025-14146

The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 10.14.10 via the WPBCFLEXTIMELINENAV AJAX action. This is due to the nonce verification being conditionally disabled by default bookingisnonceatfrontend option is 'Off' ...