CVE-2021-4340 : What You Need to Know

A critical SQL Injection vulnerability has been identified in the Directory Listings WordPress plugin - uListing, allowing unauthenticated attackers to extract sensitive information from the database. Find out more about the impact, technical details, and mitigation steps below.

Understanding CVE-2021-4340

This section provides insights into the CVE-2021-4340 vulnerability affecting the uListing plugin for WordPress.

What is CVE-2021-4340?

The uListing plugin for WordPress is susceptible to SQL Injection via the 'listing_id' parameter, enabling attackers to insert additional SQL queries to retrieve confidential data from the database.

The Impact of CVE-2021-4340

The SQL Injection vulnerability in uListing versions up to 1.6.6 exposes sensitive information to unauthenticated attackers, posing a severe risk to data confidentiality and system integrity.

Technical Details of CVE-2021-4340

Explore specific technical aspects related to CVE-2021-4340 to understand the vulnerability better.

Vulnerability Description

The SQL Injection flaw in uListing stems from insufficient parameter escaping and SQL query preparation, empowering attackers to manipulate queries for data extraction.

Affected Systems and Versions

The vulnerability affects uListing plugin versions up to and including 1.6.6, whereas version 1.7 and above are considered unaffected.

Exploitation Mechanism

Attackers can exploit the 'listing_id' parameter to inject malicious SQL queries, leveraging the lack of adequate input sanitization and query preparation.

Mitigation and Prevention

Discover essential steps to mitigate the risks associated with CVE-2021-4340 and safeguard WordPress websites.

Immediate Steps to Take

Website administrators are advised to update the uListing plugin to version 1.7 or later, which contains security patches addressing the SQL Injection vulnerability.

Long-Term Security Practices

Implement robust input validation mechanisms, secure coding practices, and regular security audits to prevent SQL Injection and other security threats.

Patching and Updates

Stay vigilant for security updates released by the plugin developer and promptly apply patches to eliminate vulnerabilities and enhance website security.