Malicious Code Injection in polymera-manuyat: A Threat to npm Users
Summary
MAL-2025-164467: Malicious code in polymera-manuyat (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
polymera-manuyat is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate token rewards through various automated scripts. However, it has been identified as containing malicious code that compromises the integrity of the npm registry and the security of applications relying on it.
Vulnerability Detail
The vulnerability in polymera-manuyat stems from its inclusion in a malicious campaign that generates and publishes derivative packages with randomized names. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, leading to pollution of the npm registry. This can result in developers unknowingly using compromised packages, which may lead to security breaches and loss of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymera-manuyat
If 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 polymera-manuyat package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The polymera-manuyat package poses a significant threat due to its malicious code that can compromise the security of applications using it. It is essential to remove this package and monitor for any updates or alternatives to ensure the integrity of your software. Utilizing tools like Vulert can help maintain awareness of vulnerabilities in your dependencies.
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FAQ
polymera-manuyat is an npm package involved in a token reward campaign that has been identified as containing malicious code.
The malicious code can modify your package.json file, remove private flags, and republish variants, potentially leading to the use of compromised packages in your application.
You should remove the polymera-manuyat package from your project immediately and monitor for any updates or patches.
You can use tools like Vulert, which monitors your package-lock.json file for open-source 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.