Malicious code in stringgrand (PyPI)

stringgrand Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6818: Malicious code in stringgrand (PyPI). 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 Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The stringgrand package is an open-source Python package available on PyPI. It is designed to provide various string manipulation functions and utilities. The package is commonly used in Python projects for tasks such as string formatting, parsing, and manipulation. However, the package has been found to contain malicious code, making it a potential security risk for projects that depend on it.

Vulnerability Detail

The stringgrand package has been identified as part of a larger group of nearly 6000 malicious PyPi and NPM packages published by the EsqueleSquad group. These packages are known to execute spyware and information-stealing malware. The specific vulnerability in stringgrand allows the execution of malicious code, which can lead to unauthorized access, data theft, and compromise of the affected system. The malicious code can be triggered when using certain functions or utilities provided by the package.

How To Fix

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

pip uninstall stringgrand

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 workaround, you can manually remove the stringgrand package from your project and replace it with a trusted alternative. Here's an example of how to do this using pip:

  1. Open a terminal or command prompt.

  2. Navigate to your project directory.

  3. Run the following command to uninstall the stringgrand package:

    pip uninstall stringgrand

  4. Install a trusted alternative package using the following command:

    pip install <alternative_package>

Conclusion

The stringgrand package on PyPI has been found to contain malicious code, making it a potential security risk. It is recommended to remove this package from your project dependencies and replace it with a trusted alternative. Regularly updating and reviewing your project's dependencies is essential to mitigate the risk of known vulnerabilities. For further support on vulnerability remediation, you can contact DevNack.com.

See every vulnerability recorded for stringgrand →

Share this vulnerability

FAQ

stringgrand is an open-source Python package available on PyPI. It provides various string manipulation functions and utilities.

The malicious code in stringgrand is designed to execute spyware and information-stealing malware. It can be triggered when using certain functions or utilities provided by the package.

This vulnerability can lead to unauthorized access, data theft, and compromise of the affected system. The malicious code can collect sensitive information and transmit it to unauthorized third parties.

To fix this vulnerability, remove the stringgrand package from your project dependencies and replace it with a trusted alternative. Regularly update and review your project's dependencies to ensure they are free from known vulnerabilities.

Yes, you can use Vulert (https://vulert.com) to check if your application is affected by this vulnerability. Vulert monitors and alerts for open-source vulnerabilities in your software using Pipfile.lock.

How To Fix

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

pip uninstall stringgrand

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