CVE-2018-1000062 : Vulnerability Insights and Analysis

WonderCMS version 2.4.0 has been found to contain a Stored Cross-Site Scripting vulnerability in the File Upload through SVG feature. This vulnerability allows attackers to execute arbitrary scripts on users' browsers.

Understanding CVE-2018-1000062

This CVE identifies a specific security issue in WonderCMS version 2.4.0.

What is CVE-2018-1000062?

The vulnerability in the 'svg' => 'image/svg+xml' parameter of the uploadFileAction() function enables the execution of malicious scripts through specially crafted SVG files.

The Impact of CVE-2018-1000062

The presence of this vulnerability can lead to the execution of arbitrary scripts on unsuspecting users' browsers, potentially compromising their security and data.

Technical Details of CVE-2018-1000062

WonderCMS version 2.4.0 is affected by this vulnerability.

Vulnerability Description

The vulnerability allows attackers to execute arbitrary scripts by exploiting the 'svg' parameter in the uploadFileAction() function.

Affected Systems and Versions

Product: WonderCMS
Version: 2.4.0

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading specially crafted SVG files to the File Upload feature, triggering the execution of malicious scripts.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Disable the File Upload through SVG feature in WonderCMS version 2.4.0.
Implement input validation to block malicious SVG files.
Regularly monitor and update security patches for WonderCMS.

Long-Term Security Practices

Educate users on safe file uploading practices.
Conduct regular security audits and penetration testing.
Stay informed about security best practices and updates.
Consider implementing a web application firewall.

Patching and Updates

Ensure that you promptly apply any security patches or updates released by WonderCMS to address this vulnerability.