Malicious Code Detected in Bootclass Package - Security Alert
Summary
MAL-2025-15969: Malicious code in bootclass (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The Bootclass package is an npm library designed for JavaScript applications, providing functionalities that may include class manipulation and dynamic loading. However, it has been identified as containing malicious code, which poses a significant security risk to applications utilizing this package. Users of Bootclass should be aware of its potential vulnerabilities and take immediate action to safeguard their applications.
Vulnerability Detail
The Bootclass package has been found to contain malicious code that can compromise the security of applications using it. This vulnerability originated from the inclusion of harmful scripts within the package, which can lead to unauthorized access, data breaches, or other malicious activities. The malicious code can execute without the user's consent, making it critical for developers to address this issue promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall bootclassIf 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 an alternative package that provides similar functionality without the associated risks. Additionally, you can monitor your dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The discovery of malicious code within the Bootclass package poses a serious threat to applications that rely on it. Developers are urged to take immediate action by removing the package and seeking alternatives. Utilizing tools like Vulert can enhance security by providing real-time alerts for vulnerabilities.
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FAQ
Bootclass is an npm package used in JavaScript applications for class manipulation and dynamic loading.
The malicious code can execute harmful scripts that may lead to unauthorized access and data breaches.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.
It is recommended to remove the Bootclass package and replace it with a secure alternative or wait for a patched version.
Vulert uses your package-lock.json file to monitor and alert you in real-time for open-source vulnerabilities in your software.
