Malicious Code Detected in cui-actionbar Package - MAL-2025-17822

cui-actionbar Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17822: Malicious code in cui-actionbar (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cui-actionbar package is an npm library designed to provide a customizable action bar for web applications. It allows developers to create interactive and visually appealing user interfaces. However, this package has been identified to contain malicious code, posing a significant security risk to applications that utilize it.

Vulnerability Detail

The vulnerability stems from the inclusion of malicious code within the cui-actionbar package. This code can potentially compromise the security of applications that depend on this library, leading to unauthorized access, data breaches, or other malicious activities. The issue was introduced in version 0 and affects all subsequent versions.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall cui-actionbar

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, you can replace the cui-actionbar package with an alternative library that provides similar functionality without the associated risks. Review your project dependencies and consider using a well-maintained package that does not have known vulnerabilities.

Conclusion

The cui-actionbar package has been identified to contain malicious code, posing significant risks to applications that utilize it. Immediate action is required to remove the package and seek alternatives. Regularly monitoring dependencies with tools like Vulert can help maintain application security.

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FAQ

cui-actionbar is an npm library that provides a customizable action bar for web applications, enabling developers to create interactive user interfaces.

The specific nature of the malicious code has not been disclosed, but it poses a risk of unauthorized access and potential data breaches.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By using the Vulert playground, you can check your application without any signup.

Immediately remove the cui-actionbar package from your project and look for alternative libraries. If a patched version is released, update to that version.

Detailed information about this vulnerability can be found on the GitHub repository of the malicious packages project.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall cui-actionbar

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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