CVE-2019-14789 : Exploit Details and Defense Strategies

The plugin Custom 404 Pro version 3.2.8 for WordPress has a cross-site scripting vulnerability that can be exploited through the wp-admin/admin.php?page=c4p-main page parameter.

Understanding CVE-2019-14789

This CVE entry describes a cross-site scripting vulnerability in the Custom 404 Pro plugin for WordPress.

What is CVE-2019-14789?

The Custom 404 Pro plugin version 3.2.8 for WordPress is susceptible to a cross-site scripting (XSS) vulnerability that can be triggered via a specific page parameter.

The Impact of CVE-2019-14789

This vulnerability could allow an attacker to execute malicious scripts in the context of an unsuspecting user's browser, potentially leading to various attacks such as stealing sensitive information or performing unauthorized actions on behalf of the user.

Technical Details of CVE-2019-14789

This section provides more technical insights into the vulnerability.

Vulnerability Description

The XSS vulnerability in the Custom 404 Pro plugin version 3.2.8 for WordPress allows attackers to inject and execute malicious scripts through the affected page parameter.

Affected Systems and Versions

Product: Custom 404 Pro plugin
Version: 3.2.8

Exploitation Mechanism

The vulnerability can be exploited by manipulating the wp-admin/admin.php?page=c4p-main page parameter, enabling attackers to inject and execute malicious scripts.

Mitigation and Prevention

Protecting systems from CVE-2019-14789 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable or remove the Custom 404 Pro plugin version 3.2.8 from WordPress installations.
Implement web application firewalls to filter and block malicious requests.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Keep all software, including plugins, up to date to prevent known vulnerabilities.
Educate users and administrators about the risks of XSS attacks and best security practices.

Patching and Updates

Check for security patches or updates provided by the plugin developer to address the XSS vulnerability.