The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 3.4.2. This is due to the plugin allowing unauthenticated users to update the status of order payments. This makes it possible for unauthenticated attackers to book events for free.

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the booking_export_all() function in all versions up to, and including, 3.4.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to retrieve all event booking which can contain PII.

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the get_attendees_email_by_event_id() function in all versions up to, and including, 3.4.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to to retrieve the attendees list for any event.

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'offline_status' parameter in all versions up to, and including, 3.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the calendar_events_delete() function in all versions up to, and including, 3.4.3. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary posts.

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized email sending due to a missing capability check on the ep_send_attendees_email() function in all versions up to, and including, 3.4.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to send arbitrary emails with arbitrary content from the site.

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_frontend_event_submission() function in all versions up to, and including, 3.4.2. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the title and content of arbitrary posts. This can also be exploited by unauthenticated attackers when the allow_submission_by_anonymous_user setting is enabled.

The EventPrime WordPress plugin before 3.3.6 lacks authentication and authorization, allowing unauthenticated visitors to access private and password protected Events by guessing their numeric id/event name.

The EventPrime WordPress plugin through 3.2.9 specifies the price of a booking in the client request, allowing an attacker to purchase bookings without payment.

The EventPrime WordPress plugin before 3.2.0 does not have CSRF checks when creating bookings, which could allow attackers to make logged in users create unwanted bookings via CSRF attacks.