CVE-2018-18823 : Security Advisory and Response

WolfCMS 0.8.3.1 is vulnerable to an XSS exploit through the /?/admin/plugin/file_manager/browse/ URL.

Understanding CVE-2018-18823

An overview of the XSS vulnerability in WolfCMS 0.8.3.1.

What is CVE-2018-18823?

This CVE identifies an XSS vulnerability in WolfCMS 0.8.3.1 that can be triggered by utilizing an SVG file via the /?/admin/plugin/file_manager/browse/ URL.

The Impact of CVE-2018-18823

The vulnerability allows attackers to execute malicious scripts in the context of an authenticated user, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-18823

Insights into the technical aspects of the CVE.

Vulnerability Description

Type: Cross-Site Scripting (XSS)
Vector: SVG file upload
Location: /?/admin/plugin/file_manager/browse/ URL

Affected Systems and Versions

WolfCMS 0.8.3.1

Exploitation Mechanism

Attackers upload a crafted SVG file through the specified URL, leading to script execution in the user's context.

Mitigation and Prevention

Measures to address and prevent the exploitation of CVE-2018-18823.

Immediate Steps to Take

Disable file uploads or restrict file types in WolfCMS.
Implement input validation to block malicious SVG files.
Regularly monitor and audit user-uploaded content.

Long-Term Security Practices

Conduct security training for developers on secure coding practices.
Keep software and plugins updated to patch known vulnerabilities.

Patching and Updates

Apply security patches provided by WolfCMS promptly to mitigate the XSS vulnerability.