CVE-2018-3811 Explained : Impact and Mitigation

The Oturia Smart Google Code Inserter plugin for WordPress versions prior to 3.5 is vulnerable to SQL Injection, allowing unauthenticated attackers to execute malicious SQL queries.

Understanding CVE-2018-3811

This CVE involves a security vulnerability in the Oturia Smart Google Code Inserter plugin for WordPress.

What is CVE-2018-3811?

This CVE identifies a flaw in the plugin that permits attackers to run SQL queries without authentication, posing a risk to the web server environment.

The Impact of CVE-2018-3811

The vulnerability enables unauthorized individuals to manipulate SQL queries within the web server, potentially leading to data breaches or server compromise.

Technical Details of CVE-2018-3811

The following section delves into the technical aspects of this CVE.

Vulnerability Description

The saveGoogleAdWords() function in smartgooglecode.php lacks prepared statements and fails to sanitize the $_POST["oId"] variable before executing SQL queries, creating an SQL Injection vulnerability.

Affected Systems and Versions

Plugin: Oturia Smart Google Code Inserter
Versions: Prior to 3.5

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious SQL queries through the $_POST["oId"] variable, bypassing authentication and gaining unauthorized access.

Mitigation and Prevention

Protect your systems from CVE-2018-3811 with the following measures.

Immediate Steps to Take

Disable or remove the vulnerable plugin immediately.
Monitor for any suspicious activities on the server.

Long-Term Security Practices

Regularly update WordPress and all installed plugins.
Implement strict input validation and use prepared statements in code to prevent SQL Injection.

Patching and Updates

Check for security patches or updates for the Oturia Smart Google Code Inserter plugin.