finds publicly known security vulnerabilities in a website's frontend JavaScript libraries

Programming language: JavaScript
License: Apache License 2.0
Tags: Nodejs     Security     Scan     Vulnerabilities     Lighthouse    
Latest version: v1.15.10

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finds publicly known security vulnerabilities in a website's frontend JavaScript libraries

Many thanks to for supporting open source security


Finds publicly known security vulnerabilities in a website's frontend JavaScript libraries.


Command line

Using Node.js's npx to run a one-off scan of a website:

npx is-website-vulnerable https://example.com [--json] [--js-lib] [--mobile|--desktop] [--chromePath] [--cookie] [--token]

The CLI will gracefully handle cases where the URL to scan is missing by prompting you to enter it:

$ npx is-website-vulnerable
Woops! You forgot to provide a URL of a website to scan.
? Please provide a URL to scan: โ€บ https://example.com

Exit codes

If the CLI detects an error, it will terminate with an exit code different from 0.

Exit Code 0: Everything is fine. No vulnerabilities found.

Exit Code 1: An error happened during the execution. Check the logs for details.

Exit Code 2: Vulnerabilities were found. Check the logs for details.


To build and run the container locally:

# Clone Repo:
git clone https://github.com/lirantal/is-website-vulnerable.git

# Change to repo's cloned directory:
cd is-website-vulnerable

# Build Image locally:
docker build --no-cache -t lirantal/is-website-vulnerable:latest .

# Run container:
docker run --rm -e SCAN_URL="https://www.google.com/" lirantal/is-website-vulnerable:latest

SCAN_URL is an environment variable and its value must be replaced with the desired URL during Docker run. Docker container will exit once the scan has been completed.

If you wish to provide command line arguments to is-website-vulnerable and customize the run, such as providing --json or other supported arguments, you should omit the environment variable and provide the full command. Here is an example:

docker run --rm lirantal/is-website-vulnerable:latest https://www.google.com --json

:warning: A modern version of Chrome is assumed to be available when using is-website-vulnerable. It may not be safe to assume that this is satisfied automatically on some CI services. For example, additional configuration is necessary for Travis CI.

GitHub Action

Create .github/workflows/is-website-vulnerable.yml with the url that you want scanned:

name: Test site for publicly known js vulnerabilities

on: push
    runs-on: ubuntu-latest
      - name: Test for public javascript library vulnerabilities 
        uses: lirantal/is-website-vulnerable@master
          scan-url: "https://yoursite.com"


You can install globally via:

npm install -g is-website-vulnerable


Please consult [CONTRIBUTING](./CONTRIBUTING.md) for guidelines on contributing to this project.


is-website-vulnerable ยฉ Liran Tal, Released under the [Apache-2.0](./LICENSE) License.

*Note that all licence references and agreements mentioned in the is-website-vulnerable README section above are relevant to that project's source code only.