Malicious code in selfurlload (PyPI)

selfurlload Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6724: Malicious code in selfurlload (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

selfurlload is a package available on PyPI that provides functionality for loading URLs. It is commonly used in Python projects to handle URL-related operations. However, the package has been found to contain malicious code, making it a potential security risk for applications that use it.

Vulnerability Detail

The selfurlload package has been identified as part of a 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 selfurlload allows an attacker to gain unauthorized access to sensitive information or perform malicious actions on the affected system. The malicious code can be triggered when using the package's functionality related to loading URLs.

How To Fix

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

pip uninstall selfurlload

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 remove the selfurlload package and replace it with a secure alternative.

Conclusion

The selfurlload package available on PyPI has been found to contain malicious code, making it a significant security risk for applications that use it. To protect your application and sensitive information, it is recommended to remove the package and replace it with a trusted alternative. Regularly reviewing and updating the packages used in your application is also essential to mitigate the risk of known vulnerabilities. For further support on vulnerability remediation, you can reach out to DevNack.com.

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FAQ

You can use the Vulert playground (https://vulert.com/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 the malicious code in selfurlload.

While specific exploits targeting this vulnerability have not been disclosed, it is crucial to address it promptly as the malicious code in selfurlload can potentially lead to unauthorized access and information theft.

No, updating selfurlload to a newer version will not mitigate the risk as the vulnerability is present in all versions of the package. It is recommended to remove the package entirely and use a trusted alternative.

At the time of this report, there is no official security advisory specifically addressing this vulnerability in selfurlload. However, the malicious nature of the package has been confirmed by Checkmarx, a reputable security research firm.

If you find the selfurlload package in your project, it is crucial to remove it immediately. Replace it with a trusted alternative and ensure that all packages used in your application are regularly updated and reviewed for security vulnerabilities.

How To Fix

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

pip uninstall selfurlload

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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