CVE-2018-18694 : Exploit Details and Defense Strategies

Monstra CMS 3.0.4 is vulnerable to stored XSS attacks through the admin/index.php?id=filesmanager endpoint, allowing remote authenticated administrators to execute malicious JavaScript code.

Understanding CVE-2018-18694

In Monstra CMS 3.0.4, a specific endpoint is susceptible to stored XSS attacks, enabling the injection of harmful scripts into files without extensions.

What is CVE-2018-18694?

The vulnerability in Monstra CMS 3.0.4 permits remote authenticated administrators to conduct stored XSS attacks by inserting malicious JavaScript into files lacking extensions, leading to potential XSS vulnerabilities in certain scenarios.

The Impact of CVE-2018-18694

The vulnerability allows attackers to execute stored XSS attacks, potentially compromising the confidentiality and integrity of the affected system.

Technical Details of CVE-2018-18694

Monstra CMS 3.0.4 vulnerability details and affected systems.

Vulnerability Description

Stored XSS vulnerability in the admin/index.php?id=filesmanager endpoint of Monstra CMS 3.0.4
Attackers can inject malicious JavaScript into files without extensions

Affected Systems and Versions

Product: Monstra CMS 3.0.4
Vendor: N/A
Version: N/A

Exploitation Mechanism

Remote authenticated administrators can exploit the vulnerability by inserting malicious JavaScript into files without extensions

Mitigation and Prevention

Protective measures to mitigate the CVE-2018-18694 vulnerability.

Immediate Steps to Take

Update Monstra CMS to the latest version
Implement input validation to prevent malicious script injection

Long-Term Security Practices

Regularly monitor and audit file uploads and content
Educate administrators on secure coding practices

Patching and Updates

Apply security patches provided by Monstra CMS to address the vulnerability