Malicious Code Injection in polymera-manuyat-peddat Package
Summary
MAL-2025-164485: Malicious code in polymera-manuyat-peddat (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The polymera-manuyat-peddat package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate token rewards by generating and publishing derivative packages. However, it has been identified as containing malicious code that modifies package metadata and inflates developer reputation scores.
Vulnerability Detail
The vulnerability originates from the package being part of a malicious campaign that floods the npm registry with derivative packages. The malicious payload alters the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior leads to the pollution of the npm registry and can compromise the integrity of projects relying on this package. The malicious scripts (auto.js, autopublish.js, etc.) are designed to automate the process of publishing these harmful packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymera-manuyat-peddat
If 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 polymera-manuyat-peddat package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The polymera-manuyat-peddat package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to remove this package from your projects and monitor for vulnerabilities using tools like Vulert to ensure the security of your applications.
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FAQ
It is an npm package that is part of a token reward campaign but has been identified as containing malicious code.
The malicious code modifies your package.json file and can lead to the publication of harmful packages, compromising your project's integrity.
You should uninstall the package immediately using npm uninstall polymera-manuyat-peddat.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.