Class: Rails::Guarddog::Checkers::XssChecker

Inherits:
BaseChecker
  • Object
show all
Defined in:
lib/rails/guarddog/checkers/xss_checker.rb

Instance Attribute Summary

Attributes inherited from BaseChecker

#findings

Instance Method Summary collapse

Methods inherited from BaseChecker

#initialize

Constructor Details

This class inherits a constructor from Rails::Guarddog::Checkers::BaseChecker

Instance Method Details

#run ⇒ Object 



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# File 'lib/rails/guarddog/checkers/xss_checker.rb', line 5

def run
  glob_files('app/views/**/*.erb').each do |file|
    content = File.read(file)
    content.each_line.with_index do |line, idx|
      if line.include?('<%=') && (line.include?('params') || line.include?('@')) && !line.include?('sanitize') && !line.include?('h(')
        add_finding(
          severity: :high,
          message: "Potential XSS vulnerability: unsanitized user input in view",
          file: file,
          line: idx + 1,
          snippet: line.strip,
          remediation: "Use <%= h() %> or sanitize() helper"
        )
      end
    end
  end
  findings
end