ajinabraham.njsscan.ssrf.ssrf_wkhtmltopdf.wkhtmltopdf_ssrf

rules:
  - id: wkhtmltopdf_ssrf
    patterns:
      - pattern-inside: |
          require('wkhtmltopdf')
          ...
      - pattern-either:
          - pattern-inside: function ($REQ, $RES, ...) {...}
          - pattern-inside: function $FUNC($REQ, $RES, ...) {...}
          - pattern-inside: $X = function $FUNC($REQ, $RES, ...) {...}
          - pattern-inside: var $X = function $FUNC($REQ, $RES, ...) {...};
          - pattern-inside: $APP.$METHOD(..., function $FUNC($REQ, $RES, ...) {...})
      - pattern-either:
          - pattern: |
              $INP = <... $REQ.$VAR ...>;
              ...
              wkhtmltopdf(<... $INP ...>, ...)
          - pattern: |
              $INP = <... $REQ.$VAR.$FOO ...>;
              ...
              wkhtmltopdf(<... $INP ...>, ...)
          - pattern: |
              wkhtmltopdf(<... $REQ.$VAR ...>, ...)
          - pattern: |
              wkhtmltopdf(<... $REQ.$VAR.$FOO ...>, ...)
    message: User controlled URL reached to `wkhtmltopdf` can result in Server Side
      Request Forgery (SSRF).
    languages:
      - javascript
    severity: ERROR
    metadata:
      owasp-web: a1
      cwe: cwe-918
      license: LGPL-3.0-or-later
      vulnerability_class:
        - Other