XSS Capybara spec added.

spec/features/xss_spec.rb

@@ -0,0 +1,30 @@
+require 'spec_helper'
+
+feature 'xss' do
+  before do
+    UserFixture.reset_all_users
+    @normal_user = UserFixture.normal_user
+  end
+
+  scenario 'injection attack on account_settings', :js => true do
+    login @normal_user
+
+    visit "/users/#{@normal_user.user_id}/account_settings"
+    within('#account_edit') do
+      fill_in 'First name', :with => "B<script>$(function() { $('form.button_to input.btn.btn-primary').val('RailsGoat h4x0r3d') } )</script>"
+
+      # password gets screwed up if you don't re-submit - need to fix
+      fill_in 'user_password', :with => @normal_user.clear_password
+      fill_in 'user_password_confirmation', :with => @normal_user.clear_password
+    end
+    click_on 'Submit'
+    save_screenshot('screenshot.post.submit.png')
+
+    visit '/'
+
+    find('form.button_to input.btn.btn-primary').value.should == 'RailsGoat h4x0r3d'
+
+    # might be nice to demonstrate posting cookie contents or somesuch, but
+    # this at least shows the vulnerability still exists.
+  end
+end