Booking Calendar Contact Form, CVE-2026-6810

CVE, Research URL: CVE-2026-6810
Home page URL: Security reports for Booking Calendar Contact Form
Application: Booking Calendar Contact Form
Published on: Apr 24, 2026
Research Description: The Booking Calendar Contact Form plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.2.63 via the dex_bccf_admin_int_calendar_list.inc.php file due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to takeover other user's calendars and view user data associated with the calendar.
Affected versions: max 1.2.64.
Status: vulnerable