Malicious Code Injection in tusya-fasss-ssa Package
Summary
MAL-2025-169412: Malicious code in tusya-fasss-ssa (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The tusya-fasss-ssa package is part of the npm ecosystem, often utilized in JavaScript applications for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages. These packages are designed to manipulate developer reputation scores through automated publishing scripts, leading to potential security risks for applications that depend on them.
Vulnerability Detail
The vulnerability stems from the tusya-fasss-ssa package being associated with the tea.xyz token reward campaign, which employs malicious scripts to alter package metadata. These scripts remove private flags from package.json, change version numbers, and generate random package names, resulting in a polluted npm registry. This can lead to dependency confusion, where developers may inadvertently install compromised packages, exposing their applications to security threats.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall tusya-fasss-ssaIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the tusya-fasss-ssa package and replace it with a known, secure alternative. Always verify the integrity and source of packages before including them in your project.
Conclusion
The tusya-fasss-ssa package poses a significant security risk due to its association with malicious activities aimed at manipulating npm registry data. It is essential to remove this package from your projects and monitor your dependencies regularly to ensure the security of your applications.
See every vulnerability recorded for tusya-fasss-ssa →
FAQ
The tusya-fasss-ssa package is an npm package that has been identified as part of a malicious campaign aimed at manipulating developer reputation scores.
If your application depends on the tusya-fasss-ssa package, it may be exposed to security risks, including dependency confusion and potential data breaches.
You should immediately uninstall the tusya-fasss-ssa package using the command npm uninstall tusya-fasss-ssa and review your dependencies for any other malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
Yes, you should look for reputable packages that provide similar functionality but have a verified security track record.
