Malicious Code Injection in intan-13 Package: npm Vulnerability Overview
Summary
MAL-2025-156521: Malicious code in intan-13 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The intan-13 package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been compromised to include malicious scripts that alter package metadata and republish variants to the npm registry.
Vulnerability Detail
The vulnerability in the intan-13 package stems from its malicious code that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of these variants, polluting the npm registry and potentially compromising the integrity of other packages. The malicious payload is part of a broader scheme to exploit npm for personal gain, making it a significant threat to developers relying on this ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intan-13If 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 prevent the installation of the intan-13 package by using npm's package-lock.json file to monitor dependencies. Ensure that your project does not include this package in its dependencies.
Conclusion
The intan-13 package has been identified as a malicious entity within the npm ecosystem, posing significant risks to developers and their projects. Immediate action is required to mitigate these risks by uninstalling the package and monitoring for vulnerabilities using tools like Vulert.
See every vulnerability recorded for intan-13 →
FAQ
The intan-13 package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies, potentially introducing malicious code.
You should uninstall the intan-13 package immediately using the command npm uninstall intan-13.
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 check if your application is affected by visiting the Vulert playground.
Regularly audit your dependencies, keep them updated, and use tools like Vulert to monitor for vulnerabilities in real-time.
