CVE-2020-20589 : Exploit Details and Defense Strategies

Cross Site Scripting (XSS) vulnerability in FeehiCMS 2.0.8 allows remote attackers to run arbitrary code via the lang attribute of an html tag.

Understanding CVE-2020-20589

This CVE entry describes a Cross Site Scripting (XSS) vulnerability in FeehiCMS 2.0.8 that could be exploited by remote attackers to execute arbitrary code.

What is CVE-2020-20589?

Cross Site Scripting (XSS) is a type of security vulnerability typically found in web applications. In this case, the vulnerability exists in FeehiCMS 2.0.8, enabling attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2020-20589

This vulnerability allows remote attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2020-20589

Vulnerability Description

The vulnerability arises from improper input validation in the lang attribute of an html tag in FeehiCMS 2.0.8, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: 2.0.8

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious code through the lang attribute of an html tag, which is then executed when the affected web page is accessed.

Mitigation and Prevention

Immediate Steps to Take

Disable the lang attribute in html tags if not necessary
Implement input validation and sanitization to prevent XSS attacks

Long-Term Security Practices

Regularly update and patch the CMS and its components
Conduct security audits and penetration testing to identify and address vulnerabilities

Patching and Updates

Check for security patches or updates from FeehiCMS to address this XSS vulnerability