Malicious Code Injection in messi-aa-sffs Package
Summary
MAL-2025-160282: Malicious code in messi-aa-sffs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The messi-aa-sffs package is part of the npm ecosystem, which is widely used for managing JavaScript packages. This package was identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. The primary functionality of this package is to facilitate token reward campaigns, but it has been compromised to perform harmful actions.
Vulnerability Detail
The vulnerability in the messi-aa-sffs package stems from its association with a malicious campaign that modifies the package.json file to remove private flags and changes version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to manipulate developer reputation scores. This behavior can lead to the pollution of the npm registry and potentially expose users to further security risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall messi-aa-sffsIf 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 remove the messi-aa-sffs package from your project by executing the command: npm uninstall messi-aa-sffs. This will prevent any malicious code from executing until a fix is applied.
Conclusion
The messi-aa-sffs package has been identified as containing malicious code that can compromise the integrity of the npm registry. It is essential to take immediate action by updating or removing the package to protect your project from potential risks.
See every vulnerability recorded for messi-aa-sffs →
FAQ
The messi-aa-sffs package is an npm package that was part of a malicious campaign aimed at exploiting the npm registry.
This vulnerability can lead to the pollution of the npm registry and may expose your project to further security risks.
You should uninstall the messi-aa-sffs package immediately and check for any updates or patches.
Yes, Vulert can monitor your project for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
