Critical Malicious Code Vulnerability in date-quebec-nvvd Package

date-quebec-nvvd Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-18050: Malicious code in date-quebec-nvvd (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The date-quebec-nvvd package is an npm library designed for date manipulation and formatting specific to Quebec. It is utilized by developers to handle date-related functionalities in their applications. However, this package has been found to contain malicious code, posing significant security risks to any application that integrates it.

Vulnerability Detail

The vulnerability in the date-quebec-nvvd package originates from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code can lead to unauthorized access, data breaches, or other malicious activities. The vulnerability is present in all versions starting from 0, making it critical for users to take immediate action to mitigate potential risks.

How To Fix

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

npm uninstall date-quebec-nvvd

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

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Workaround

As a temporary workaround, consider using alternative date manipulation libraries that do not have known vulnerabilities, such as 'date-fns' or 'moment.js'. You can install them using the following commands: 'npm install date-fns' or 'npm install moment'.

Conclusion

The date-quebec-nvvd package contains a critical vulnerability due to malicious code that can compromise application security. It is crucial for developers to take immediate action by removing the package and considering alternatives. Regular monitoring of dependencies is essential to maintain application security.

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FAQ

The date-quebec-nvvd package is used for date manipulation and formatting specific to Quebec in JavaScript applications.

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.

The malicious code can lead to unauthorized access, data breaches, or other harmful activities that compromise the security of your application.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to their latest versions.

If immediate removal is not possible, consider isolating the affected functionality and monitoring your application for any suspicious activity until you can safely remove the package.

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How To Fix

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

npm uninstall date-quebec-nvvd

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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