CVE-2021-24762 : Vulnerability Insights and Analysis

WordPress plugin Perfect Survey version before 1.5.2 is susceptible to an unauthenticated SQL Injection vulnerability due to inadequate validation of the question_id GET parameter. This flaw could be exploited by unauthenticated users to execute malicious SQL statements.

Understanding CVE-2021-24762

This CVE involves the Perfect Survey WordPress plugin version prior to 1.5.2, allowing unauthenticated users to perform SQL Injection attacks.

What is CVE-2021-24762?

The vulnerability in Perfect Survey WordPress plugin version before 1.5.2 arises from the lack of proper validation of the question_id GET parameter in SQL statements.

The Impact of CVE-2021-24762

With this vulnerability, unauthenticated users can inject malicious SQL queries, potentially leading to data theft, data manipulation, or unauthorized access to the WordPress site's database.

Technical Details of CVE-2021-24762

This section delves into the specifics of the vulnerability.

Vulnerability Description

The Perfect Survey WordPress plugin version earlier than 1.5.2 fails to validate and escape the question_id GET parameter, enabling unauthenticated SQL Injection via the get_question AJAX action.

Affected Systems and Versions

Perfect Survey version less than 1.5.2 is impacted by this vulnerability.

Exploitation Mechanism

Attackers without authentication can exploit the SQL Injection flaw by manipulating the question_id GET parameter, injecting arbitrary SQL code into the database.

Mitigation and Prevention

To safeguard systems from CVE-2021-24762, specific preventive measures need to be implemented.

Immediate Steps to Take

Update Perfect Survey WordPress plugin to version 1.5.2 or later to mitigate this SQL Injection vulnerability.
Monitor for any unusual activities on the website that could indicate a security breach.

Long-Term Security Practices

Regularly update and patch all WordPress plugins to prevent known vulnerabilities.
Implement proper input validation and parameterized queries in web applications to mitigate SQL Injection risks.

Patching and Updates

Stay informed about security updates for WordPress plugins, and promptly apply patches to address any discovered vulnerabilities.