Malicious Code Injection in unsightly_eel_z3n Package - npm Vulnerability
Summary
MAL-2025-110182: Malicious code in unsightly_eel_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The unsightly_eel_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. These packages are designed to inflate developer reputation scores for token rewards, making them a significant threat to the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in the unsightly_eel_z3n package originates from its association with the tea.xyz token reward campaign. It contains malicious scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can potentially compromise the security of applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall unsightly_eel_z3nIf 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 this package by using npm's package-lock.json to monitor dependencies. You can also use the following command to audit your project for vulnerabilities: 'npm audit'. This will help identify any affected packages.
Conclusion
The unsightly_eel_z3n package poses a significant risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
The unsightly_eel_z3n package is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
This vulnerability can lead to the pollution of the npm registry and may compromise the security of applications that depend on the affected package.
You should uninstall the unsightly_eel_z3n package immediately and audit your project for any other vulnerabilities.
Yes, you can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.
