Malicious Code Injection in polymer-intyi-adf: A Threat to npm Packages
Summary
MAL-2025-164459: Malicious code in polymer-intyi-adf (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package polymer-intyi-adf is part of the npm ecosystem, which is widely used for JavaScript package management. This package is linked to a campaign that aims to exploit the npm registry by flooding it with malicious packages. These packages are designed to manipulate developer reputation scores through automated publishing scripts, which can lead to significant security risks for users and developers relying on npm packages.
Vulnerability Detail
The vulnerability in polymer-intyi-adf originates from its association with the tea.xyz token reward campaign. This package contains malicious scripts that modify the package.json file to remove private flags and change version numbers. It generates random package names and continuously republishes variants, polluting the npm registry. The ramifications include potential exposure of sensitive information, compromised package integrity, and a degraded trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymer-intyi-adfIf 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 prevent the installation of this malicious package by using npm's package-lock.json to monitor dependencies. Ensure that your project does not include polymer-intyi-adf by checking your package.json and removing any references to it.
Conclusion
The polymer-intyi-adf package poses a significant security risk due to its malicious code designed to exploit the npm registry. It is essential for developers to remain vigilant and take necessary actions to protect their applications by updating or removing affected packages. Utilizing tools like Vulert can aid in monitoring and managing vulnerabilities effectively.
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FAQ
polymer-intyi-adf is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to the exposure of sensitive information and compromise the integrity of your application by introducing malicious code.
If you have installed polymer-intyi-adf, you should update it to the latest patched version or remove it from your project immediately.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
