Learn about CVE-2021-24747, an SQL injection vulnerability in SEO Booster WordPress plugin < 3.8. Understand its impact, technical details, affected versions, and mitigation steps.
A detailed overview of the SEO Booster WordPress plugin vulnerability allowing for SQL injection.
Understanding CVE-2021-24747
This CVE involves an SQL injection vulnerability in the SEO Booster plugin for WordPress.
What is CVE-2021-24747?
The SEO Booster plugin before version 3.8 is prone to authenticated SQL injection through a specific AJAX request, which can lead to blind and error-based SQL injections.
The Impact of CVE-2021-24747
Exploitation of this vulnerability could allow an attacker to execute malicious SQL queries on the database, potentially leading to data leakage or modification.
Technical Details of CVE-2021-24747
Exploring the vulnerability further to understand its technical aspects.
Vulnerability Description
The issue arises due to inadequate sanitization of the '$_REQUEST['order'][0]['dir']' parameter, enabling an attacker to inject malicious SQL queries through the AJAX request.
Affected Systems and Versions
SEO Booster versions prior to 3.8 are impacted by this vulnerability.
Exploitation Mechanism
By manipulating the mentioned parameter in a specific AJAX request, an authenticated attacker could execute SQL injection attacks, compromising the WordPress site.
Mitigation and Prevention
Guidelines on how to mitigate the risks posed by CVE-2021-24747.
Immediate Steps to Take
Update the SEO Booster plugin to version 3.8 or newer to patch the SQL injection vulnerability.
Long-Term Security Practices
Regularly update all plugins and themes to their latest versions to address security flaws and minimize the risk of exploitation.
Patching and Updates
Stay informed about security updates and vulnerabilities in WordPress plugins, ensuring timely application of patches to maintain a secure website environment.