CVE-2023-50339 : Exploit Details and Defense Strategies

A stored cross-site scripting vulnerability in GROWI versions prior to v6.1.11 poses a security risk to users. Understanding the impact, technical details, and mitigation steps is crucial.

Understanding CVE-2023-50339

This CVE identifies a specific vulnerability in the User Management page of GROWI versions before v6.1.11, allowing the execution of arbitrary scripts on users' web browsers.

What is CVE-2023-50339?

The CVE-2023-50339 vulnerability is classified as a stored cross-site scripting (XSS) flaw, enabling attackers to inject malicious scripts into a web application, affecting users who interact with the compromised elements.

The Impact of CVE-2023-50339

Exploiting this vulnerability can lead to unauthorized script execution in users' browsers, potentially compromising sensitive information or performing malicious actions without user consent.

Technical Details of CVE-2023-50339

Understanding the vulnerability description, affected systems, and exploitation mechanism is vital to addressing and preventing potential exploitation.

Vulnerability Description

The vulnerability resides in the User Management (/admin/users) page of GROWI versions preceding v6.1.11, allowing attackers to embed harmful scripts on the target website.

Affected Systems and Versions

Vendor: WESEEK, Inc.
Product: GROWI
Vulnerable Version: v6.1.11

Exploitation Mechanism

By exploiting this XSS vulnerability, threat actors can execute arbitrary scripts on users' web browsers, posing a severe security risk to user data and privacy.

Mitigation and Prevention

Taking immediate action and implementing long-term security measures are essential in mitigating the risks associated with CVE-2023-50339.

Immediate Steps to Take

Update GROWI to version v6.1.11 to eliminate the XSS vulnerability.
Educate users to avoid visiting suspicious websites that could trigger the execution of malicious scripts.

Long-Term Security Practices

Regularly monitor and audit web applications for potential security weaknesses.
Implement web application firewalls to filter and block malicious traffic targeting XSS vulnerabilities.

Patching and Updates

Stay informed about security patches released by WESEEK, Inc. for GROWI to address known vulnerabilities and enhance the overall security posture of the application.