Payment Gateway for Telcell < 2.0.4 - Open Redirect

id: CVE-2023-6786

info:
  name: Payment Gateway for Telcell < 2.0.4 - Open Redirect
  author: s4e-io
  severity: medium
  description: |
    The plugin does not validate the api_url parameter before redirecting the user to its value, leading to an Open Redirect issue
  impact: |
    Unauthenticated attackers can exploit open redirect through the api_url parameter to redirect users to malicious websites for phishing attacks.
  remediation: |
    Fixed in 2.0.4
  reference:
    - https://wpscan.com/vulnerability/f3e64947-3138-4ec4-86c4-27b5d6a5c9c2/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-6786
  classification:
    cve-id: CVE-2023-6786
    epss-score: 0.01129
    epss-percentile: 0.78628
  metadata:
    max-request: 1
    verified: true
    publicwww-query: "/wp-content/plugins/payment-gateway-for-telcell"
  tags: cve,cve2023,wordpress,redirect,wp-plugin,wp,payment-gateway-for-telcell,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-admin/admin.php?page=wc-settings&action=redirect_telcell_form&api_url=https://oast.me"

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)oast\.me.*$'
# digest: 4b0a00483046022100b28280138aac71fe8066487e61f1c34d5650e200aac14771de5f2897123461c1022100ba9c92e5cc5274042b1acaa2db4b186768e9aff918c392fa0b8dfabff7d8a279:922c64590222798bb761d5b6d8e72950