Critical Malicious Code Vulnerability in target_user_list Package
Summary
MAL-2025-5989: Malicious code in target_user_list (npm). Affects target_user_list versions >= 13.3.7. No fix is published. How to fix ↓
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Background
The target_user_list package is an npm library designed for managing user lists in various applications. It is commonly used in web development to streamline user data handling. However, this package has been found to contain embedded malicious code, posing significant security risks to any system utilizing it.
Vulnerability Detail
The vulnerability stems from the presence of malicious code embedded within the target_user_list package. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code is categorized under CWE-506, indicating that it appears to be intentionally harmful. The ramifications of this vulnerability are severe, as it can lead to complete control of the affected system by an external entity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall target_user_listIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, the best workaround is to uninstall the target_user_list package entirely. You can do this by running the following command in your terminal: npm uninstall target_user_list. Additionally, consider using alternative packages that do not have known vulnerabilities.
Conclusion
The target_user_list package has been identified as containing malicious code, posing a serious threat to systems that utilize it. Immediate action is required to remove the package and secure any sensitive information. Monitoring tools like Vulert can assist in identifying such vulnerabilities in the future.
See every vulnerability recorded for target_user_list →
FAQ
The target_user_list package is an npm library used for managing user lists in applications, particularly in web development.
The malicious code can compromise your system, allowing unauthorized access to sensitive information and potentially giving control to external entities.
You should immediately uninstall the target_user_list package and rotate any sensitive information stored on the affected system.
As of now, there is no patched version available. The recommended action is to remove the package entirely.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just package-lock.json. You can check if your application is affected by this vulnerability using the Vulert playground without any signup.
