Malicious code in superpost (PyPI)

superpost Updated 02 Oct 2025

Summary

23/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6855: Malicious code in superpost (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

Superpost is a Python package available on PyPI that provides functionality for posting content on social media platforms. It is widely used by developers to automate social media posting tasks. However, the package has been found to contain malicious code, which poses a significant security risk to users.

Vulnerability Detail

The malicious code in the superpost package was introduced in version 0 and was discovered by the Checkmarx security research team. The code is part of a larger campaign by the EsqueleSquad group, who published nearly 6000 malicious PyPi and NPM packages. These packages execute spyware and information-stealing malware when installed. The specific impact of the malicious code in superpost may vary, but it can potentially lead to unauthorized access to sensitive information, data exfiltration, and compromise of user systems.

How To Fix

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

pip uninstall superpost

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

There is no known workaround for this vulnerability. It is essential to take immediate action by removing the superpost package and following the recommended steps to fix the issue.

Conclusion

The presence of malicious code in the superpost package poses a significant security risk to users. It is crucial to take immediate action by removing the package and following the recommended steps to mitigate the vulnerability. Regularly monitoring for security advisories and using tools like Vulert can help ensure the ongoing security of your Python packages.

See every vulnerability recorded for superpost →

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FAQ

You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including this one.

The malicious code in the superpost package can lead to unauthorized access to sensitive information, data exfiltration, and compromise of user systems. It is crucial to take immediate action to mitigate these risks.

Yes, the recommended fix is to remove the superpost package and any dependencies that rely on it. Additionally, scan your codebase for other potentially malicious packages and remove them as well.

To ensure the security of your Python packages, always use trusted and well-maintained packages from reputable sources. Regularly update your packages to the latest versions and monitor for any security advisories or vulnerabilities.

If you have any further questions or need assistance with vulnerability remediation, you can reach out to info@devnack.com for support.

How To Fix

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

pip uninstall superpost

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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