Malicious Code Detected in arcturus-brane-test-html-webpack-plugin: A Security Alert
Summary
MAL-2025-14802: Malicious code in arcturus-brane-test-html-webpack-plugin (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The arcturus-brane-test-html-webpack-plugin is an npm package designed to facilitate the integration of HTML Webpack Plugin functionalities within projects. It is commonly used in web development to manage HTML files in conjunction with Webpack, providing features such as template management and asset injection. However, this package has been identified to contain malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the arcturus-brane-test-html-webpack-plugin package. This code can potentially compromise the integrity of applications, leading to unauthorized access, data breaches, or other malicious activities. The issue was introduced in version 0 of the package and affects all subsequent versions, making it critical for users to address this vulnerability promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall arcturus-brane-test-html-webpack-pluginIf 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 replace the arcturus-brane-test-html-webpack-plugin with an alternative package that provides similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities in real-time.
Conclusion
The discovery of malicious code in the arcturus-brane-test-html-webpack-plugin highlights the importance of vigilance in managing open-source dependencies. Users are urged to take immediate action to secure their applications by removing the affected package and exploring alternatives.
See every vulnerability recorded for arcturus-brane-test-html-webpack-plugin →
FAQ
It is an npm package used in web development to manage HTML files in conjunction with Webpack.
The specific nature of the malicious code has not been disclosed, but it poses significant security risks.
You can use Vulert's playground at Vulert Scanner to check your application for vulnerabilities without needing to sign up.
Immediately remove the package from your project and monitor for any updates or patches.
Vulert uses your package-lock.json to monitor and alert you in real-time for open-source vulnerabilities in your software.
