CVE-2021-20742 : Vulnerability Insights and Analysis

This article provides insights into CVE-2021-20742, a cross-site scripting vulnerability in EC-CUBE Business form output plugin (for EC-CUBE 3.0 series) versions prior to 1.0.1, allowing remote attackers to inject malicious scripts.

Understanding CVE-2021-20742

CVE-2021-20742 is a critical security issue in the EC-CUBE Business form output plugin that affects versions prior to 1.0.1. It enables attackers to execute arbitrary scripts on vulnerable systems.

What is CVE-2021-20742?

CVE-2021-20742 is a cross-site scripting vulnerability found in the EC-CUBE Business form output plugin (for EC-CUBE 3.0 series) versions prior to 1.0.1, which permits threat actors to inject malicious scripts through an unspecified vector.

The Impact of CVE-2021-20742

This vulnerability poses a significant risk as it allows remote attackers to execute arbitrary scripts on the target system, potentially leading to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2021-20742

CVE-2021-20742 affects the EC-CUBE Business form output plugin (for EC-CUBE 3.0 series) versions prior to 1.0.1. Below are specific technical details related to this security issue:

Vulnerability Description

The vulnerability enables a remote attacker to perform cross-site scripting attacks by injecting malicious scripts using an unspecified vector.

Affected Systems and Versions

EC-CUBE Business form output plugin (for EC-CUBE 3.0 series) versions prior to 1.0.1 are susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely to inject and execute arbitrary scripts on the target system, potentially compromising its security.

Mitigation and Prevention

To safeguard systems from CVE-2021-20742, immediate actions need to be taken to mitigate the risks associated with this vulnerability. Here are some steps to consider:

Immediate Steps to Take

Update the EC-CUBE Business form output plugin to version 1.0.1 or above to eliminate the vulnerability.
Employ web application firewalls and security protocols to detect and block potential cross-site scripting attacks.

Long-Term Security Practices

Regularly monitor security advisories and updates from EC-CUBE CO.,LTD. to stay informed about emerging threats and patches.
Conduct periodic security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Ensure timely patching and updates of all software components, including plugins and extensions, to mitigate security risks and protect systems from potential exploits.