CVE-2021-20751 Explained : Impact and Mitigation

A cross-site scripting vulnerability in EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) allows remote attackers to execute arbitrary scripts, posing a security risk to administrators and users.

Understanding CVE-2021-20751

This vulnerability affects EC-CUBE, specifically versions 4.0.0 to 4.0.5-p1, potentially enabling malicious actors to inject scripts into specially crafted pages.

What is CVE-2021-20751?

The CVE-2021-20751 vulnerability is classified as a cross-site scripting flaw in the EC-CUBE platform, exposing users to script injection attacks.

The Impact of CVE-2021-20751

The presence of this vulnerability enables remote attackers to execute arbitrary scripts by enticing authorized users to visit malicious pages, leading to potential data breaches and unauthorized operations.

Technical Details of CVE-2021-20751

This section provides a detailed overview of the vulnerability, including its description, affected systems, and the mechanism of exploitation.

Vulnerability Description

The vulnerability in EC-CUBE versions 4.0.0 to 4.0.5-p1 allows attackers to inject malicious scripts in the platform, compromising the security of administrators and users.

Affected Systems and Versions

The issue impacts EC-CUBE 4 series, specifically versions ranging from 4.0.0 to 4.0.5-p1, leaving these systems vulnerable to cross-site scripting attacks.

Exploitation Mechanism

To exploit CVE-2021-20751, attackers lure individuals, including administrators and users, to visit specially crafted pages that contain malicious scripts, which can then be executed on the victims' browsers.

Mitigation and Prevention

Protecting systems from CVE-2021-20751 involves immediate actions, as well as long-term security practices and the installation of necessary patches and updates.

Immediate Steps to Take

System administrators should educate users about the risks, implement browser security measures, and consider adding content security policies to mitigate XSS threats.

Long-Term Security Practices

Regular security audits, ongoing security training for staff, and the implementation of web application firewalls are crucial to safeguarding against cross-site scripting vulnerabilities.

Patching and Updates

Applying the latest patches and updates released by EC-CUBE is essential to address CVE-2021-20751 and fortify systems against potential attacks.