CVE-2025-12042 MEDIUM

CVE-2025-12042: Course Booking System <= 6.1.5 - Missing Authorization to Unauthenticated Booking Data Export

Vendor Werbeagenturcommotion
Product Course Booking System
Weakness CWE-862 · Missing authorization
Published November 8, 2025
Last update April 8, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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