The Event Monster – Event Management, Tickets Booking, Upcoming Event plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 1.4.3 via the Visitors List Export file. During the export, a CSV file is created in the wp-content folder with a hardcoded filename that is publicly accessible. This makes it possible for unauthenticated attackers to extract data about event visitors, that includes first and last names, email, and phone number.

The Event Monster – Event Management, Tickets Booking, Upcoming Event plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.4 via deserialization via shortcode of untrusted input from a custom meta value. This makes it possible for authenticated attackers, with contributor access and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.