Critical Malicious Code Vulnerability in fluidsale (npm)

fluidsale Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-20722: Malicious code in fluidsale (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'fluidsale' is an npm package designed for managing fluid sales transactions in web applications. It provides functionalities for handling sales data, processing transactions, and integrating with various payment gateways. However, it has been identified to contain malicious code that poses significant security risks to applications utilizing this package.

Vulnerability Detail

The vulnerability in the 'fluidsale' package arises from the inclusion of malicious code that can compromise the security of applications using it. This code can lead to unauthorized access, data breaches, and potential exploitation of user data. The malicious code was introduced in version 0 and affects all subsequent versions, making it critical for users to address this issue promptly.

How To Fix

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

npm uninstall fluidsale

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 remove the 'fluidsale' package from your project by running: npm uninstall fluidsale. This will prevent any potential exploitation while you await a secure update.

Conclusion

The discovery of malicious code in the 'fluidsale' npm package poses a serious threat to applications utilizing it. Immediate action is required to mitigate risks, including updating or removing the package. Users should remain vigilant and utilize tools like Vulert for ongoing monitoring of vulnerabilities.

See every vulnerability recorded for fluidsale →

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FAQ

The malicious code can lead to unauthorized access and data breaches, compromising the security of applications that use the package.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.

Currently, there is no patched version available. Users are advised to uninstall the package until a secure version is released.

If removal is not an option, ensure to monitor your application closely for any suspicious activity and consider implementing additional security measures.

Utilize tools like Vulert to receive real-time alerts for vulnerabilities in your open-source packages.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall fluidsale

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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