CVE-2021-28126 Explained : Impact and Mitigation

TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 is impacted by a Stored Cross-Site Scripting (XSS) vulnerability present in index.jsp. This CVE-2021-28126 poses a security risk due to the XSS vulnerability.

Understanding CVE-2021-28126

This section delves into the details of the CVE-2021-28126 vulnerability.

What is CVE-2021-28126?

CVE-2021-28126 points to a Stored Cross-Site Scripting (XSS) vulnerability in the index.jsp file of TranzWare e-Commerce Payment Gateway (TWEC PG) before version 3.1.27.5.

The Impact of CVE-2021-28126

The presence of a Stored XSS vulnerability in index.jsp can allow attackers to inject malicious scripts, leading to unauthorized access, data theft, and potential compromise of user information.

Technical Details of CVE-2021-28126

In this section, we explore the technical aspects of CVE-2021-28126.

Vulnerability Description

The vulnerability arises from insufficient input validation in the index.jsp file, enabling malicious script injection by attackers.

Affected Systems and Versions

TranzWare e-Commerce Payment Gateway (TWEC PG) versions before 3.1.27.5 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through crafted requests, posing a risk to the security and integrity of the system.

Mitigation and Prevention

To address CVE-2021-28126 and enhance overall security, it is crucial to follow the mitigation steps outlined below.

Immediate Steps to Take

Update TWEC PG to version 3.1.27.5 or the latest available patch to eliminate the XSS vulnerability.
Implement strict input validation mechanisms to prevent malicious script injection.

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities like XSS to ensure timely detection and mitigation.
Educate developers and administrators on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by the vendor to address known vulnerabilities like Stored XSS in TWEC PG.