CVE-2020-13640 : What You Need to Know

A SQL injection vulnerability in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress allows remote attackers to execute arbitrary SQL commands.

Understanding CVE-2020-13640

This CVE involves a security issue in the wpDiscuz plugin for WordPress that enables attackers to perform SQL injection attacks.

What is CVE-2020-13640?

The vulnerability in the gVectors wpDiscuz plugin version 5.3.5 and below permits malicious actors to run unauthorized SQL commands through a specific request parameter.

The Impact of CVE-2020-13640

The SQL injection flaw in wpDiscuz plugin 5.3.5 and earlier versions can lead to severe consequences:

Remote attackers can execute arbitrary SQL commands
No 7.x versions of the plugin are affected

Technical Details of CVE-2020-13640

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to manipulate SQL queries through the 'order' parameter in a wpdLoadMoreComments request.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: gVectors wpDiscuz plugin 5.3.5 and earlier

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious SQL commands via the 'order' parameter in a specific request.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the wpDiscuz plugin to version 5.3.6 or higher
Monitor for any suspicious activities on the WordPress site

Long-Term Security Practices

Regularly update all plugins and themes on WordPress
Implement input validation and parameterized queries to prevent SQL injection attacks

Patching and Updates

Apply security patches promptly
Stay informed about security advisories and updates from plugin developers