What the vulnerability does
01Description
The MDJM Event Management plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability check on the 'custom_fields_controller' function in all versions up to, and including, 1.7.8.1. This makes it possible for unauthenticated attackers to delete arbitrary custom event fields via the 'delete_custom_field' and 'id' parameters.
Explanation of Vulnerability in Simple Terms
02Summary
MDJM Event Management versions up to 1.7.8.1 lack proper authorization checks, allowing unauthenticated attackers to modify data on the site. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 1.7.8.1 immediately.
What an attacker can do
03Attacker Capabilities
Modify site data without logging in or having permission to do so.
Potential impact on your site
04Site Impact
Unauthorized changes to event management data, potentially affecting bookings, events, or customer information.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
March 7, 2026
CVE published
April 8, 2026
Record updated