Event Tickets < 5.28.4 - Editor+ Stored XSS via Ticket Move

The Event Tickets and Registration WordPress plugin before 5.28.4 does not properly escape event titles before outputting them in a ticket history log, allowing users with the Editor role and above to perform Stored Cross-Site Scripting attacks that execute against higher-privileged users on multisite installations.

Event Tickets and Registration <= 5.8.1 - Missing Authorization

The Event Tickets and Registration plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'email' action in all versions up to, and including, 5.8.1. This makes it possible for authenticated attackers, with contributor-level access and above, to email the attendees list to themselves.

Event Tickets <= 5.18.1 - Insecure Direct Object Reference to Sensitive Information Exposure

The Event Tickets and Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.18.1 via the tc-order-id parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to view order details of orders they did not place, which includes ticket prices, user emails and order date.

Event Tickets and Registration < 5.8.1 - Contributor+ Arbitrary Events Access

The Event Tickets and Registration WordPress plugin before 5.8.1, Events Tickets Plus WordPress plugin before 5.9.1 does not prevent users with at least the contributor role from leaking the existence of certain events they shouldn't have access to. (e.g. draft, private, pending review, pw-protected, and trashed events).

Event Tickets Plus < 5.9.1 - Contributor+ Attendees Lists Disclosure

The Events Tickets Plus WordPress plugin before 5.9.1 does not prevent users with at least the contributor role from leaking the attendees list on any post type regardless of status. (e.g. draft, private, pending review, password-protected, and trashed posts).

CSV injection in the event-tickets (Event Tickets) plugin before 4.10.7.2 for WordPress exists via the "All Post> Ticketed > Attendees" Export Attendees feature.