CVE-2018-25019 : Exploit Details and Defense Strategies

LearnDash LMS WordPress plugin version earlier than 2.5.4 is vulnerable to unauthenticated arbitrary file upload.

Understanding CVE-2018-25019

This CVE involves a lack of proper authorization and validation of uploaded files in the learndash_assignment_process_init() function, potentially allowing unauthenticated users to upload arbitrary files to the web server.

What is CVE-2018-25019?

The vulnerability in LearnDash LMS plugin version < 2.5.4 allows unauthenticated users to upload files without proper validation, posing a security risk.

The Impact of CVE-2018-25019

Unauthenticated users can upload malicious files to the server, leading to potential code execution and unauthorized access.

Technical Details of CVE-2018-25019

LearnDash LMS plugin version < 2.5.4 has the following technical details:

Vulnerability Description

Lack of authorization and validation in the learndash_assignment_process_init() function.

Affected Systems and Versions

Product: LearnDash LMS
Vendor: Unknown
Versions Affected: < 2.5.4

Exploitation Mechanism

Unauthenticated users exploit the vulnerability to upload arbitrary files to the server, bypassing security measures.

Mitigation and Prevention

Protect your system from CVE-2018-25019 with the following steps:

Immediate Steps to Take

Update LearnDash LMS to version 2.5.4 or newer to patch the vulnerability.
Implement proper file upload validation and authorization mechanisms.
Monitor file uploads for suspicious activities.

Long-Term Security Practices

Regularly update plugins and software to prevent known vulnerabilities.
Conduct security audits to identify and address potential weaknesses.

Patching and Updates

Stay informed about security patches and updates for LearnDash LMS to address vulnerabilities promptly.