Malicious Code Injection in messi-tuw-uiyta Package
Summary
MAL-2025-160382: Malicious code in messi-tuw-uiyta (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The messi-tuw-uiyta package is part of the npm ecosystem, often used 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. This package is designed to manipulate developer reputation scores through automated scripts, making it a significant threat to developers and users relying on npm packages.
Vulnerability Detail
The vulnerability in the messi-tuw-uiyta package stems from its association with a malicious campaign that modifies package.json files to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can compromise the integrity of applications that depend on this package. The malicious code is designed to inflate developer reputation scores for token rewards, posing a risk to the entire npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall messi-tuw-uiyta
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can avoid using the messi-tuw-uiyta package and replace it with a trusted alternative. Additionally, you can use the following command to uninstall the package: npm uninstall messi-tuw-uiyta.
Conclusion
The messi-tuw-uiyta package poses a significant risk due to its malicious code designed to manipulate npm registry entries. It is essential to remove this package from your projects and monitor for any updates or patches. Utilizing tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for messi-tuw-uiyta →
FAQ
The messi-tuw-uiyta package is an npm package that has been identified as part of a malicious campaign aimed at manipulating developer reputation scores.
This vulnerability can compromise the integrity of your application by introducing malicious code that modifies package configurations and republishing harmful variants.
You should immediately uninstall the messi-tuw-uiyta package and monitor your project for any signs of compromise.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities 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 any signup.