Malicious Code Injection in moral-silver-jellyfish Package
Summary
MAL-2025-95535: Malicious code in moral-silver-jellyfish (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The moral-silver-jellyfish package is part of the npm ecosystem, typically used for various JavaScript functionalities. However, it has been identified as part of a malicious campaign linked to the tea.xyz token reward initiative. This campaign has led to the proliferation of packages that manipulate npm's registry, impacting developers and users alike.
Vulnerability Detail
The vulnerability in the moral-silver-jellyfish package stems from its involvement in a malicious campaign that employs scripts to automatically generate and publish derivative packages with randomized names. These scripts modify the package.json file to remove private flags, alter version numbers, and continuously republish variants, thereby polluting the npm registry. This not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these tainted packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall moral-silver-jellyfishIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, avoid using the moral-silver-jellyfish package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file for potential threats.
Conclusion
The moral-silver-jellyfish package poses a significant security risk due to its involvement in a malicious npm campaign. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
See every vulnerability recorded for moral-silver-jellyfish →
FAQ
It is an npm package that has been identified as part of a malicious campaign aimed at manipulating the npm registry.
The vulnerability can lead to the introduction of malicious code into your project, compromising its security and integrity.
You should uninstall the moral-silver-jellyfish package immediately and monitor your project for any signs of compromise.
Yes, tools like Vulert can help you monitor your project for open-source vulnerabilities by analyzing your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
