CVE-2021-24391 Explained : Impact and Mitigation

A detailed analysis of the CVE-2021-24391 vulnerability affecting the Cashtomer WordPress plugin version 1.0.0, leading to authenticated SQL injection.

Understanding CVE-2021-24391

This CVE identifies an issue in the Cashtomer WordPress plugin that allows an attacker to conduct SQL injection due to improper sanitization of an editid GET parameter.

What is CVE-2021-24391?

The vulnerability arises from the lack of proper sanitization, escaping, and validation of user-controlled input before incorporating it into SQL queries, enabling an attacker to manipulate the SQL statements.

The Impact of CVE-2021-24391

Exploitation of this vulnerability could lead to unauthorized access, data disclosure, data manipulation, and potential full control of the affected WordPress site by malicious actors.

Technical Details of CVE-2021-24391

The technical details of the CVE-2021-24391 vulnerability include:

Vulnerability Description

An editid GET parameter of the Cashtomer WordPress plugin version 1.0.0 is not properly sanitized, escaped, or validated before insertion into SQL statements, allowing for SQL injection attacks.

Affected Systems and Versions

Product: Cashtomer
Vendor: Unknown
Versions Affected: 1.0.0

Exploitation Mechanism

Through manipulation of the editid GET parameter in the plugin, attackers can inject malicious SQL queries, potentially compromising the integrity and security of the WordPress site.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-24391, consider the following steps:

Immediate Steps to Take

Update the Cashtomer WordPress plugin to a secure version that addresses the SQL injection vulnerability.
Monitor website activity for any suspicious behavior indicating a compromise.

Long-Term Security Practices

Implement input validation and parameterized queries to prevent SQL injection vulnerabilities.
Regularly audit and review third-party plugins for security issues.

Patching and Updates

Stay informed about security updates and patches released by the plugin vendor to address known vulnerabilities and protect your WordPress site.