CVE-2020-15006 Explained : Impact and Mitigation

Bludit 3.12.0 allows stored XSS via JavaScript code in an SVG document to bl-kernel/ajax/logo-upload.php.

Understanding CVE-2020-15006

Bludit 3.12.0 is vulnerable to stored cross-site scripting (XSS) attacks due to improper handling of JavaScript code within SVG documents.

What is CVE-2020-15006?

This CVE refers to a security vulnerability in Bludit 3.12.0 that enables attackers to execute malicious JavaScript code by uploading an SVG file to the logo upload functionality.

The Impact of CVE-2020-15006

The vulnerability allows an attacker to inject and execute arbitrary JavaScript code within the context of the affected web application, potentially leading to unauthorized actions, data theft, or further exploitation of the system.

Technical Details of CVE-2020-15006

Bludit 3.12.0 is susceptible to stored XSS attacks through SVG files uploaded to the logo upload feature.

Vulnerability Description

The issue arises from inadequate validation of SVG content, allowing attackers to embed malicious JavaScript code that gets executed when the SVG file is processed.

Affected Systems and Versions

Bludit version 3.12.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting an SVG file containing malicious JavaScript code and uploading it through the logo upload functionality in Bludit 3.12.0.

Mitigation and Prevention

To address CVE-2020-15006, users and administrators should take immediate action to mitigate the risk and prevent exploitation.

Immediate Steps to Take

Disable the logo upload functionality in Bludit 3.12.0 if not essential for operations.
Regularly monitor and review uploaded files for any suspicious content.
Implement input validation and sanitization mechanisms to filter out potentially harmful content.

Long-Term Security Practices

Keep software and systems up to date with the latest security patches and updates.
Educate users and developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Check for patches or security fixes provided by Bludit to address the XSS vulnerability in version 3.12.0.