Malicious Code Injection in polymer-intsi-adf: A Threat to npm Packages
Summary
MAL-2025-164458: Malicious code in polymer-intsi-adf (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The polymer-intsi-adf package is part of the npm ecosystem, which is widely used for managing JavaScript packages. This package, like many others, is intended to facilitate the development of web applications. However, it has been compromised by malicious actors who have embedded harmful scripts designed to manipulate package metadata and inflate developer reputation scores through fraudulent means.
Vulnerability Detail
The vulnerability stems from the package being part of a malicious campaign that floods the npm registry with derivative packages. These packages include scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. This not only pollutes the npm registry but also poses a significant risk to developers who may unknowingly install these compromised packages, leading to potential security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymer-intsi-adfIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the polymer-intsi-adf package until a secure version is confirmed. Additionally, consider using the following command to audit your npm packages for vulnerabilities: 'npm audit'. This will help identify any other potentially compromised packages in your project.
Conclusion
The polymer-intsi-adf package has been identified as containing malicious code that poses a significant risk to developers and their applications. It is essential to take immediate action by updating or removing the package and utilizing tools like Vulert to monitor for vulnerabilities in your projects.
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FAQ
The polymer-intsi-adf package is an npm package used in web development, but it has been compromised with malicious code.
If you have installed the polymer-intsi-adf package, your application may be at risk of security breaches due to the malicious scripts embedded in the package.
You should immediately update the package to the latest version or remove it from your project until a secure version is available.
You can use tools like Vulert, which monitors your package-lock.json file for vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
