CVE-2021-4325 : What You Need to Know

A vulnerability has been discovered in NHN TOAST UI Chart 4.1.4, affecting the Legend Handler component and leading to cross-site scripting. Upgrading to version 4.2.0 can mitigate this issue.

Understanding CVE-2021-4325

This section provides insights into the nature of the CVE-2021-4325 vulnerability.

What is CVE-2021-4325?

The CVE-2021-4325 vulnerability is a cross-site scripting flaw discovered in NHN TOAST UI Chart 4.1.4, specifically impacting the Legend Handler component. This vulnerability allows remote attackers to initiate attacks through unknown data manipulation, potentially leading to cross-site scripting.

The Impact of CVE-2021-4325

Given a CVSSv3 base score of 3.5, this vulnerability has been rated as LOW severity. However, if left unaddressed, it could expose affected systems to risks associated with cross-site scripting attacks, emphasizing the importance of timely mitigation.

Technical Details of CVE-2021-4325

Explore the technical aspects and implications of CVE-2021-4325 below.

Vulnerability Description

The vulnerability in NHN TOAST UI Chart 4.1.4 arises due to unspecified processing in the Legend Handler component, enabling cross-site scripting through data manipulation.

Affected Systems and Versions

NHN TOAST UI Chart version 4.1.4 with the 'Legend Handler' module is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Remote attackers can leverage this vulnerability to perform cross-site scripting attacks, emphasizing the significance of upgrading to version 4.2.0 to prevent exploitation.

Mitigation and Prevention

Discover essential steps to mitigate and prevent the CVE-2021-4325 vulnerability in the sections below.

Immediate Steps to Take

To address CVE-2021-4325, immediate actions include upgrading the affected NHN TOAST UI Chart component to version 4.2.0 to prevent potential cross-site scripting vulnerabilities.

Long-Term Security Practices

Incorporating robust security practices, such as regular software updates, vulnerability assessments, and security monitoring, can enhance the long-term security posture of the affected systems.

Patching and Updates

It is recommended to apply the identified patch associated with VDB-221501 to eliminate the vulnerability efficiently and ensure the secure operation of NHN TOAST UI Chart.