Malicious Code Detected in bexio-teststyleguide Package - Security Alert

bexio-teststyleguide Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15626: Malicious code in bexio-teststyleguide (npm). Affected versions are not published. 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 Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The bexio-teststyleguide package is an npm library designed to facilitate the styling and design of user interfaces in web applications. It offers a range of features that allow developers to create visually appealing and consistent styles across their projects. However, this package has been identified to contain malicious code, posing a significant security risk to users who integrate it into their applications.

Vulnerability Detail

The vulnerability in the bexio-teststyleguide package originates from the inclusion of malicious code that can compromise the security of applications using this package. This code may lead to unauthorized access, data breaches, or other harmful actions that can affect both developers and end-users. It is crucial to understand that such vulnerabilities can have severe ramifications, including loss of sensitive information and damage to the integrity of the application.

How To Fix

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

npm uninstall bexio-teststyleguide

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, consider using an alternative package that provides similar functionality without the associated security risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file to alert you of any open-source vulnerabilities in real-time.

Conclusion

The discovery of malicious code in the bexio-teststyleguide package highlights the importance of vigilance when using open-source libraries. Users are encouraged to remove the affected package and monitor their projects for vulnerabilities using tools like Vulert to maintain the security and integrity of their applications.

See every vulnerability recorded for bexio-teststyleguide →

Share this vulnerability

FAQ

The bexio-teststyleguide package is an npm library used for styling and designing user interfaces in web applications.

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

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

If you have used the bexio-teststyleguide package, it is recommended to remove it immediately and look for alternative packages that do not pose security risks.

Vulert uses your package-lock.json file to monitor and alert you in real-time for any open-source vulnerabilities in your software, ensuring you stay informed about potential risks.

How To Fix

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

npm uninstall bexio-teststyleguide

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