The EventPrime WordPress plugin before 3.5.0 does not properly validate permissions when updating bookings, allowing users to change/cancel bookings for other users. Additionally, the feature is lacking a nonce.
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability checks on the export_submittion_attendees function in all versions up to, and including, 4.0.7.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to download list of attendees for any event.
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the em_ticket_category_data and em_ticket_individual_data parameters in all versions up to, and including, 4.0.5.3 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 an administrative user accesses an injected page.
Note: this vulnerability requires the "Guest Submissions" setting to be enabled. It is disabled by default.
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via ticket names in all versions up to, and including, 4.0.4.7 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. This is only exploitable when front-end users can submit new events with tickets.
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘ep_booking_attendee_fields’ fields in all versions up to, and including, 4.0.4.7 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 the transaction log for a booking.
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to unauthorized access to Private or Password-protected events due to missing authorization checks in all versions up to, and including, 4.0.4.3. This makes it possible for unauthenticated attackers to view private or password-protected events.
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 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 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.