CVE-2020-21930 : What You Need to Know

A stored cross-site scripting (XSS) vulnerability in the web_attr_2 field of Eyoucms v1.4.1 allows authenticated attackers to execute arbitrary web scripts or HTML.

Understanding CVE-2020-21930

This CVE involves a stored XSS vulnerability in Eyoucms v1.4.1, enabling authenticated attackers to run malicious scripts or HTML.

What is CVE-2020-21930?

CVE-2020-21930 is a stored cross-site scripting (XSS) vulnerability found in the web_attr_2 field of Eyoucms v1.4.1. This flaw permits authenticated attackers to execute arbitrary web scripts or HTML.

The Impact of CVE-2020-21930

The vulnerability could lead to the execution of malicious scripts or HTML by authenticated attackers, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2020-21930

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the web_attr_2 field of Eyoucms v1.4.1, allowing authenticated attackers to inject and execute malicious web scripts or HTML.

Affected Systems and Versions

Product: Eyoucms
Version: 1.4.1

Exploitation Mechanism

Attackers need to be authenticated to exploit this vulnerability, enabling them to insert and execute malicious scripts or HTML.

Mitigation and Prevention

Protecting systems from CVE-2020-21930 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Eyoucms to the latest version that includes a patch for the XSS vulnerability.
Educate users on safe browsing practices to prevent successful exploitation.

Long-Term Security Practices

Regularly monitor and audit web content for any suspicious scripts or HTML injections.
Implement strict input validation and output encoding to mitigate XSS risks.

Patching and Updates

Ensure timely installation of security patches and updates provided by Eyoucms to address the XSS vulnerability.