Malicious Code Injection in sinta-soto91-riris Package

sinta-soto91-riris Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-90589: Malicious code in sinta-soto91-riris (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The sinta-soto91-riris package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package, like others in the campaign, is designed to manipulate the npm registry by creating and publishing derivative packages with randomized names. It aims to inflate developer reputation scores for token rewards, making it a target for malicious activities.

Vulnerability Detail

The vulnerability in the sinta-soto91-riris package stems from its malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. The result is a polluted npm registry, which can compromise the integrity of the ecosystem and potentially expose users to further security risks.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall sinta-soto91-riris

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, avoid using the sinta-soto91-riris package and monitor your project for any unintended dependencies that may have been introduced. Regularly audit your package-lock.json file to identify and remove any malicious packages.

Conclusion

The sinta-soto91-riris package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry with harmful variants. It is crucial to remove this package and regularly audit your dependencies to ensure the security of your project.

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FAQ

It is an npm package associated with a token reward campaign that has been identified as containing malicious code.

The malicious code modifies your package.json file, potentially leading to the publication of harmful variants and compromising your project's integrity.

You should uninstall the sinta-soto91-riris package immediately and audit your project for any other malicious dependencies.

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 signing up.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall sinta-soto91-riris

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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