CVE-2021-24861 Explained : Impact and Mitigation

A SQL injection vulnerability in the Quotes Collection WordPress plugin through version 2.5.2 can be exploited by an attacker to manipulate the database through a crafted bulkcheck parameter.

Understanding CVE-2021-24861

This CVE describes a security issue in the Quotes Collection plugin for WordPress, allowing SQL injection attacks.

What is CVE-2021-24861?

The Quotes Collection WordPress plugin version 2.5.2 and earlier fail to properly validate and sanitize user input, leading to SQL injection vulnerabilities.

The Impact of CVE-2021-24861

Exploitation of this vulnerability could result in unauthorized access to the WordPress site's database, sensitive information disclosure, or data manipulation.

Technical Details of CVE-2021-24861

This section covers the technical aspects related to CVE-2021-24861.

Vulnerability Description

The vulnerability arises due to the lack of input validation in the bulkcheck parameter, allowing attackers to inject malicious SQL queries.

Affected Systems and Versions

Quotes Collection plugin versions up to and including 2.5.2 are affected by this SQL injection vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious SQL queries via the bulkcheck parameter, potentially gaining unauthorized access.

Mitigation and Prevention

Here are the steps you can take to mitigate the risks posed by CVE-2021-24861.

Immediate Steps to Take

Update the Quotes Collection plugin to the latest version to patch the vulnerability.
Implement input validation and sanitization techniques in your WordPress site to prevent SQL injection attacks.

Long-Term Security Practices

Regularly monitor security advisories and updates for plugins used in your WordPress environment.
Educate users about safe practices to prevent exposure to SQL injection vulnerabilities.

Patching and Updates

Apply security patches promptly and maintain a proactive approach towards securing your WordPress installations.