Malicious Code Detected in example-maliciou Package (npm)

example-maliciou Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-20033: Malicious code in example-maliciou (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The example-maliciou package is an npm library designed for various functionalities within JavaScript applications. However, it has been identified to contain malicious code, posing significant risks to users and their applications. This vulnerability can lead to unauthorized access, data breaches, and other security issues, making it crucial for developers to address it promptly.

Vulnerability Detail

The vulnerability in the example-maliciou package stems from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code may allow attackers to execute harmful actions, such as stealing sensitive information or manipulating application behavior. The issue was introduced in version 0 and affects all subsequent versions, making it imperative for users to take immediate action to mitigate risks.

How To Fix

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

npm uninstall example-maliciou

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, users can remove the example-maliciou package from their project until a secure version is released. This can be done using the command: npm uninstall example-maliciou.

Conclusion

The example-maliciou package has been identified as containing malicious code, posing significant risks to applications that utilize it. Users are strongly advised to update or remove the package to safeguard their projects. Utilizing tools like Vulert can help in monitoring and alerting for such vulnerabilities effectively.

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FAQ

The example-maliciou package is an npm library used in JavaScript applications, but it has been found to contain malicious code.

You can check if your application is affected by using Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can access the Vulert playground at Vulert Scanner without any signup.

If you are using the example-maliciou package, you should update it to a patched version as soon as it is available or remove it from your project to avoid security risks.

Using the example-maliciou package can expose your application to security vulnerabilities, including unauthorized access and data breaches.

Yes, you can use Vulert to monitor your application for vulnerabilities in real-time by analyzing your package-lock.json file.

How To Fix

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

npm uninstall example-maliciou

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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