What the vulnerability does
01Description
The Course Booking System plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check in the csv-export.php file in all versions up to, and including, 6.1.5. This makes it possible for unauthenticated attackers to directly access the file and obtain an export of all booking data.
Explanation of Vulnerability in Simple Terms
02Summary
The Course Booking System through version 6.1.5 fails to properly check user permissions before allowing access to certain functions. An unauthenticated attacker can read sensitive information by sending direct requests to the application. The vulnerability affects all installations and requires no special setup to exploit.
What an attacker can do
03Attacker Capabilities
Read sensitive information without logging in.
Potential impact on your site
04Site Impact
Unauthorized users can access confidential booking or course data stored in the system.
Conditions required to exploit
05Prerequisites
Network access to the application; no authentication or user interaction required.
Key dates
06Disclosure timeline
November 8, 2025
CVE published
April 8, 2026
Record updated