Malicious Code Injection in zain-ubi55-pore Package - npm Vulnerability

zain-ubi55-pore Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-98572: Malicious code in zain-ubi55-pore (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The zain-ubi55-pore package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of the npm registry.

Vulnerability Detail

The vulnerability in the zain-ubi55-pore package originates from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially affecting other developers who rely on the integrity of the packages they use. The malicious scripts (auto.js, autopublish.js, etc.) are designed to automate this process, making it difficult to track and mitigate the impact.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall zain-ubi55-pore

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 zain-ubi55-pore package and look for alternative packages that provide similar functionality without the associated risks. Additionally, ensure that your npm registry is monitored for any unauthorized changes.

Conclusion

The zain-ubi55-pore package poses a significant risk due to its malicious code that alters package integrity and floods the npm registry. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities to maintain the security of their applications.

See every vulnerability recorded for zain-ubi55-pore →

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FAQ

The zain-ubi55-pore package is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of derivative packages.

The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of other packages and affecting the security of your project.

If you have installed the zain-ubi55-pore package, you should uninstall it immediately using the command npm uninstall zain-ubi55-pore.

Yes, tools like Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software without requiring access to the code or installation.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall zain-ubi55-pore

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 →

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