Critical Malicious Code Vulnerability in @actbase/css-to-react-native-transform Package

Summary

24/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-190706: Malicious code in @actbase/css-to-react-native-transform (npm). Affects @actbase/css-to-react-native-transform versions 1.0.3. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

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

Background

The @actbase/css-to-react-native-transform package is a utility designed for transforming CSS styles into React Native styles. It is commonly used in projects that require seamless integration of CSS with React Native applications. However, this package has been identified as containing malicious code, posing significant security risks to any system utilizing it.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within the @actbase/css-to-react-native-transform package, specifically version 1.0.3. This code can compromise the entire system where the package is installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious code can lead to complete control of the affected computer by an external entity, making it imperative for users to act swiftly to mitigate potential damage.

How To Fix

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

npm uninstall @actbase/css-to-react-native-transform

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 are no effective workarounds for this vulnerability other than removing the package and securing the system. Users should ensure that they do not use this package in their projects and monitor their systems for any signs of compromise.

Conclusion

The @actbase/css-to-react-native-transform package has been identified as containing malicious code that poses severe security risks. Users are urged to uninstall the package immediately and take necessary precautions to secure their systems. Continuous monitoring of dependencies is essential to prevent future vulnerabilities.

See every vulnerability recorded for @actbase/css-to-react-native-transform →

Share this vulnerability

FAQ

Immediately uninstall the package using 'npm uninstall @actbase/css-to-react-native-transform' and rotate any sensitive information stored on the affected system.

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

Currently, there is no patched version available for the @actbase/css-to-react-native-transform package.

Failing to address this vulnerability can lead to unauthorized access to sensitive data, complete control of your system by malicious actors, and potential data breaches.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert, and ensure to keep your packages updated to their latest, secure versions.

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 @actbase/css-to-react-native-transform

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback