CVE-2021-24791 Explained : Impact and Mitigation

The Header Footer Code Manager WordPress plugin before 1.1.14 is vulnerable to SQL injections due to improper validation of request parameters, potentially leading to unauthorized access and data manipulation.

Understanding CVE-2021-24791

This CVE affects the Header Footer Code Manager WordPress plugin, versions less than 1.1.14, allowing attackers to exploit SQL injection vulnerabilities within the Snippets admin dashboard.

What is CVE-2021-24791?

The vulnerability in the Header Footer Code Manager plugin allows malicious actors to execute SQL injection attacks by manipulating the "orderby" and "order" parameters in a SQL statement.

The Impact of CVE-2021-24791

Exploiting this vulnerability could lead to unauthorized access to the WordPress site, data theft, or even the complete takeover of the affected system.

Technical Details of CVE-2021-24791

The following details outline the technical aspects of the CVE.

Vulnerability Description

The SQL injection vulnerability arises from the lack of proper validation and escaping of user-controlled input, specifically in the "orderby" and "order" parameters.

Affected Systems and Versions

The Header Footer Code Manager plugin versions prior to 1.1.14 are affected by this vulnerability.

Exploitation Mechanism

By injecting malicious SQL code into the vulnerable parameters, attackers can manipulate database queries to perform unauthorized actions.

Mitigation and Prevention

Protecting your system from CVE-2021-24791 involves taking immediate steps and adopting long-term security practices.

Immediate Steps to Take

Update the Header Footer Code Manager plugin to version 1.1.14 or newer to patch the SQL injection vulnerability.
Monitor website logs and database activity for any suspicious behavior.

Long-Term Security Practices

Regularly update all WordPress plugins and themes to their latest versions.
Implement strict input validation and output sanitization practices in your WordPress development.

Patching and Updates

Stay informed about security updates for WordPress plugins and apply patches promptly to mitigate the risk of similar vulnerabilities in the future.