function fragment(html) {
  var args = arguments
    , div = document.createElement('div')
    , i = 1;

  div.innerHTML = html.replace(/%([se])/g, function(_, type){
    switch (type) {
      case 's': return String(args[i++]);
      case 'e': return escape(args[i++]);
    }
  });

  return div.firstChild;
}
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.