CVE-2021-24142 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-24142, a security vulnerability in the '301 Redirects - Easy Redirect Manager' WordPress plugin that allows authenticated SQL injection attacks.

Understanding CVE-2021-24142

This section provides insights into the nature and impact of the CVE-2021-24142 vulnerability.

What is CVE-2021-24142?

The CVE-2021-24142 vulnerability exists in versions prior to 2.51 of the '301 Redirects - Easy Redirect Manager' WordPress plugin. It occurs due to unvalidated input in the 'Redirect From' column when importing a CSV file, enabling high privilege users to execute SQL injection attacks.

The Impact of CVE-2021-24142

The vulnerability allows attackers with elevated privileges to inject malicious SQL code, potentially leading to unauthorized access, data manipulation, or complete system compromise.

Technical Details of CVE-2021-24142

Explore the technical aspects of the CVE-2021-24142 vulnerability to understand its implications and risks.

Vulnerability Description

The flaw arises from the lack of proper input sanitization in the CSV file import functionality of the plugin, enabling authenticated users to craft SQL injection payloads.

Affected Systems and Versions

Versions earlier than 2.51 of the '301 Redirects - Easy Redirect Manager' plugin are impacted by this vulnerability. Users with admin or high-level privileges are at risk of exploitation.

Exploitation Mechanism

By leveraging the unvalidated input field during CSV file imports, attackers can inject SQL commands, manipulate database content, and potentially compromise the WordPress site's security.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-24142 and secure your WordPress website.

Immediate Steps to Take

Immediately update the '301 Redirects - Easy Redirect Manager' plugin to version 2.51 or higher to patch the SQL injection vulnerability. Restrict access to authorized users only to minimize the attack surface.

Long-Term Security Practices

Regularly monitor plugin updates and security advisories. Implement least privilege principles and educate users on secure data handling to prevent future exploits.

Patching and Updates

Stay informed about security patches released by the plugin vendor. Regularly update all WordPress plugins and themes to address known vulnerabilities and enhance overall website security.