Malicious code in tprepywsuper (PyPI)

tprepywsuper Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7571: Malicious code in tprepywsuper (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

The tprepywsuper package is an open-source Python package available on PyPI. It is used for [provide brief description of the package's functionality and key attributes]. Unfortunately, this package has been found to contain malicious code, which poses a significant security risk to users who install and use it.

Vulnerability Detail

The tprepywsuper package has been identified as part of a larger group of nearly 6000 malicious PyPi and NPM packages published by the EsqueleSquad group. These packages execute spyware and information-stealing malware. The specific vulnerability in tprepywsuper allows attackers to [describe the vulnerability in detail, including its origin, possible ramifications, and important technical aspects]. This can lead to [explain the potential impact and risks associated with the vulnerability].

How To Fix

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

pip uninstall tprepywsuper

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

There is no known workaround for this vulnerability. It is crucial to address the issue by following the recommended steps to fix it.

Conclusion

The tprepywsuper package on PyPI has been found to contain malicious code as part of the larger EsqueleSquad group's campaign. This poses a significant security risk to users who install and use the package. It is crucial to follow the recommended steps to fix the vulnerability and remove the package from your system. For further support and assistance, you can contact Checkmarx or reach out to DevNack.com.

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FAQ

You can use Vulert's playground at [provide Vulert playground URL] to check if your application is affected by this vulnerability. Simply input your Pipfile.lock and the playground will alert you in real-time if the vulnerability is present.

Continuing to use the tprepywsuper package can expose your system to spyware and information-stealing malware. This can result in unauthorized access to sensitive data, compromise of user credentials, and other security breaches.

No, the tprepywsuper package has been identified as malicious. It is recommended to remove the package from your system and find alternative, trusted packages with similar functionality.

Given the discovery of malicious code in the tprepywsuper package, it is advisable to exercise caution when using any packages associated with the EsqueleSquad group. It is recommended to thoroughly review the source code and conduct security assessments before incorporating these packages into your projects.

If you have identified this vulnerability or need further support, you can contact the finder, Checkmarx, at [provide contact information]. Additionally, you can reach out to info@devnack.com for further assistance on vulnerability remediation.

How To Fix

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

pip uninstall tprepywsuper

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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