CVE-2021-24777 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-24777, a vulnerability in the Hotscot Contact Form WordPress plugin before version 1.3 that allows SQL injection, potentially exposing sensitive data to attackers.

Understanding CVE-2021-24777

This section delves into the specifics of the CVE-2021-24777 vulnerability in the Hotscot Contact Form plugin.

What is CVE-2021-24777?

The view submission functionality in the Hotscot Contact Form WordPress plugin before version 1.3 contains a SQL injection vulnerability. Attackers can exploit this by manipulating the sub_id parameter in a GET request to execute malicious SQL queries.

The Impact of CVE-2021-24777

The SQL injection vulnerability in Hotscot Contact Form plugin can lead to unauthorized data access, modification, or deletion. Attackers could extract sensitive information from the WordPress site's database, posing a significant security risk.

Technical Details of CVE-2021-24777

This section provides in-depth technical insights into the CVE-2021-24777 vulnerability.

Vulnerability Description

The flaw arises from inadequate sanitization, escaping, and validation of the sub_id parameter. This lack of input validation enables attackers to inject malicious SQL queries, compromising the database integrity.

Affected Systems and Versions

Hotscot Contact Form plugin versions prior to 1.3 are affected by this vulnerability. Users with versions earlier than 1.3 are at risk of SQL injection attacks.

Exploitation Mechanism

By crafting a specifically manipulated sub_id parameter in a GET request, threat actors can inject malicious SQL queries. This exploitation technique can grant unauthorized access to the underlying database, allowing attackers to retrieve or manipulate sensitive information.

Mitigation and Prevention

In this section, we discuss essential steps to mitigate the risks associated with CVE-2021-24777.

Immediate Steps to Take

Update Hotscot Contact Form plugin to version 1.3 or above to patch the SQL injection vulnerability.
Implement web application firewalls to filter and block malicious SQL injection attempts.

Long-Term Security Practices

Regularly monitor and audit your WordPress site for any suspicious activities or unauthorized database accesses.
Educate developers about secure coding practices and the importance of input validation to prevent SQL injection vulnerabilities.

Patching and Updates

Stay informed about security patches released by the plugin developer. Promptly apply updates to ensure the plugin is protected against known vulnerabilities.