Malicious Code Detected in btheme: A Critical Security Alert
Summary
MAL-2025-16238: Malicious code in btheme (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The btheme package is an npm library designed for theming applications, providing users with customizable styles and layouts. It is widely used in web development for its ease of integration and flexibility. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability in the btheme package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code may allow unauthorized access, data theft, or other harmful actions, potentially leading to severe consequences for users and developers alike. 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 bthemeIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the btheme package entirely and implement custom theming solutions or use alternative libraries that do not have known vulnerabilities.
Conclusion
The discovery of malicious code in the btheme package highlights the importance of regularly auditing dependencies for security vulnerabilities. Developers should take immediate action to remove the affected package and consider alternatives to safeguard their applications.
See every vulnerability recorded for btheme →
FAQ
btheme is an npm package used for theming applications, allowing developers to customize the appearance of their web projects.
The malicious code can potentially allow unauthorized access and data theft, posing significant security risks to applications that use the package.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
You should remove the btheme package from your project and consider using a secure alternative. If a patched version is released, update the package accordingly.
Utilizing tools like Vulert can help you monitor your project's dependencies for vulnerabilities and receive alerts in real-time.
