CVE-2019-11557 : Vulnerability Insights and Analysis

WebDorado Contact Form Builder plugin for WordPress versions prior to 1.0.69 is vulnerable to Cross-Site Request Forgery (CSRF) attacks through the wp-admin/admin-ajax.php file, leading to local file inclusion via directory traversal.

Understanding CVE-2019-11557

This CVE identifies a security vulnerability in the WebDorado Contact Form Builder plugin for WordPress.

What is CVE-2019-11557?

The vulnerability in the WebDorado Contact Form Builder plugin allows for CSRF attacks via the action parameter in the wp-admin/admin-ajax.php file, potentially resulting in local file inclusion through directory traversal.

The Impact of CVE-2019-11557

The vulnerability can be exploited to perform CSRF attacks, leading to unauthorized actions being executed on behalf of the user, potentially compromising sensitive data and system integrity.

Technical Details of CVE-2019-11557

The technical aspects of the CVE-2019-11557 vulnerability are as follows:

Vulnerability Description

The vulnerability arises due to a discrepancy between the values of $_POST['action'] and $_GET['action'], where the latter is not properly sanitized, allowing for CSRF attacks and local file inclusion.

Affected Systems and Versions

Product: WebDorado Contact Form Builder plugin
Vendor: WebDorado
Versions Affected: Prior to 1.0.69

Exploitation Mechanism

The vulnerability can be exploited through the action parameter in the wp-admin/admin-ajax.php file, enabling attackers to manipulate actions and potentially include local files through directory traversal.

Mitigation and Prevention

To address CVE-2019-11557, follow these mitigation strategies:

Immediate Steps to Take

Update the WebDorado Contact Form Builder plugin to version 1.0.69 or later.
Implement CSRF protection mechanisms in the application.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing on web applications.
Educate developers on secure coding practices to prevent CSRF vulnerabilities.
Stay informed about security updates and vulnerabilities related to WordPress plugins.

Patching and Updates

Apply security patches promptly to address known vulnerabilities.
Keep all software components, including plugins and themes, up to date to mitigate security risks.