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How to test your application for XSS vulnerabilities using XSSer

When testing an application for XSS vulnerabilities it can be sometimes hard to come up with a successful attack and test multiple alternatives. You can use an app like XSSer to automate this, in this quick tips episode, you will learn how. Above is the vid and below you will find some useful notes.
  1. 1.

    Pre-reqs

    • Have node.js installed for the sample app
    • Have Docker installed
  2. 2.

    Using XSSer

    • Create the dockerfile with xsser 
      FROM kalilinux/kali-rolling

WORKDIR /workdir

RUN apt-get update && \
    apt-get install -y xsser

ENTRYPOINT ["xsser"]
    • Build the image 
      docker build -t xsser .
    • Run xsser to check options 
      docker run -it --rm --name xsser xsser
      Run xsser to test against the vulnerable app from the video 
      docker run -it --rm --name xsser xsser -u "http://192.168.99.1:3000/?name=XSS"
  3. 3.

    Resources

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