var escapeQuotes = function (str) {
  if (typeof str === 'string') {
    return str.replace(/(["$`\\])/g, '\\$1');
  } else {
    return str;
  }
};
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.