Malicious Code Injection in excessive_junglefowl_0xrequest Package
Summary
MAL-2025-102330: Malicious code in excessive_junglefowl_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The excessive_junglefowl_0xrequest package is part of the npm ecosystem, often used in JavaScript applications for various functionalities. However, this package has been identified as part of a malicious campaign that floods the npm registry with derivative packages designed to inflate developer reputation scores for token rewards. Its primary attributes include automatic publishing scripts that generate random package names, which can lead to significant pollution of the npm registry.
Vulnerability Detail
The vulnerability stems from the malicious code embedded within the excessive_junglefowl_0xrequest package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which can lead to the continuous republishing of these variants. As a result, it compromises the integrity of the npm registry and can potentially affect applications that rely on this package, leading to security risks and reputation damage for developers.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall excessive_junglefowl_0xrequestIf 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. Ensure that your project does not include excessive_junglefowl_0xrequest in its dependencies.
Conclusion
The excessive_junglefowl_0xrequest package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to remove this package from your project and monitor for any future vulnerabilities using tools like Vulert.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your application if it relies on this package.
You should uninstall the package immediately using the command: npm uninstall excessive_junglefowl_0xrequest.
Currently, there is no patched version available for excessive_junglefowl_0xrequest. It is recommended to remove the package entirely.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. You can check if your application is affected by visiting the Vulert playground at Vulert Scanner.
