Malicious Code Injection in lisa-teh54-riris: A Threat to npm Users

lisa-teh54-riris Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-87966: Malicious code in lisa-teh54-riris (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'lisa-teh54-riris' is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary function of such packages is to manipulate developer reputation scores by automatically generating and publishing derivative packages, thus posing a significant risk to users and the integrity of the npm registry.

Vulnerability Detail

The vulnerability in 'lisa-teh54-riris' stems from its malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, primarily themed around Indonesian culture. The malicious payload continuously republishes these variants, polluting the npm registry and potentially leading to security risks for developers who unknowingly use these packages. The origin of this vulnerability is linked to the automated scripts designed to exploit the npm ecosystem for token rewards.

How To Fix

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

npm uninstall lisa-teh54-riris

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

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Workaround

As a workaround, you can monitor your project for vulnerabilities using tools like Vulert. By utilizing the Vulert playground at https://vulert.com/scanner, you can check if your application is affected by this vulnerability without requiring any signup. This allows you to stay informed about potential risks in your dependencies.

Conclusion

The 'lisa-teh54-riris' package poses a significant threat due to its malicious code designed to manipulate the npm registry. It is essential for developers to be vigilant, regularly audit their dependencies, and utilize tools like Vulert to ensure the security of their projects. By taking proactive measures, you can safeguard your applications from potential risks associated with such vulnerabilities.

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FAQ

The 'lisa-teh54-riris' package is an npm package associated with a malicious campaign that aims to inflate developer reputation scores through automated publishing of derivative packages.

This vulnerability can lead to the pollution of the npm registry, potentially introducing malicious code into your project and compromising its security.

You should immediately uninstall the 'lisa-teh54-riris' package and monitor your project for any other vulnerabilities using tools like Vulert.

Regularly audit your dependencies and utilize tools like Vulert to monitor for vulnerabilities in real-time, ensuring that your project remains secure.

Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any installation or signup.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall lisa-teh54-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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