Malicious Code Injection in polymera-manuyat-mdsndad: A Threat to npm Ecosystem
Summary
MAL-2025-164474: Malicious code in polymera-manuyat-mdsndad (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package polymera-manuyat-mdsndad is part of the npm ecosystem, which is widely used for managing JavaScript packages. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. Its functionality is compromised by scripts that automatically generate and publish derivative packages, leading to potential security risks for developers and users alike.
Vulnerability Detail
The vulnerability originates from the presence of malicious code within the polymera-manuyat-mdsndad package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, effectively polluting the npm registry. The malicious payload is designed to inflate developer reputation scores for token rewards, posing significant risks such as unauthorized access to sensitive data and the spread of further malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymera-manuyat-mdsndadIf 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 remove the polymera-manuyat-mdsndad package from your project by executing: npm uninstall polymera-manuyat-mdsndad. This will prevent any malicious code from executing until a safe version is available.
Conclusion
The polymera-manuyat-mdsndad package poses a significant threat due to its malicious code designed to manipulate npm packages. It is essential for developers to stay vigilant, update their packages, and utilize tools like Vulert to monitor for vulnerabilities in their projects.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, which has been identified as containing malicious code.
The malicious code modifies your package.json file and can lead to the publication of unauthorized packages, potentially compromising your project's integrity.
You should uninstall the package immediately and check for any unauthorized changes in your project.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities without needing to sign up.
