CVE-2020-21146 Explained : Impact and Mitigation

Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability where inserting the user name as JavaScript code can trigger XSS when browsing the post.

Understanding CVE-2020-21146

This CVE involves a security issue in Feehi CMS 2.0.8 that allows for cross-site scripting attacks.

What is CVE-2020-21146?

CVE-2020-21146 is a vulnerability in Feehi CMS 2.0.8 that enables malicious users to execute arbitrary JavaScript code by manipulating the user name.

The Impact of CVE-2020-21146

The vulnerability can lead to unauthorized access, data theft, and potential manipulation of content on websites using Feehi CMS 2.0.8.

Technical Details of CVE-2020-21146

Feehi CMS 2.0.8 vulnerability details and impact.

Vulnerability Description

Feehi CMS 2.0.8 is susceptible to cross-site scripting attacks due to improper handling of user input, allowing malicious scripts to be executed in the context of the user's browser.

Affected Systems and Versions

Product: Feehi CMS 2.0.8
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability occurs when an attacker inserts JavaScript code into the user name field, which is then executed when viewing the affected post.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-21146.

Immediate Steps to Take

Disable user input fields that allow execution of scripts or code within Feehi CMS.
Regularly monitor and sanitize user inputs to prevent injection of malicious code.
Educate users on safe practices to avoid executing arbitrary scripts.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS attacks.
Keep Feehi CMS up to date with the latest security patches and versions.

Patching and Updates

Apply patches or updates provided by Feehi CMS to address the XSS vulnerability and enhance overall security.