message: Relax any hardcoded limit from the parser
  (see https://github.com/libxmljs/libxmljs/wiki/Libxmljs#parser-options)
diff: @@ -22,7 +22,7 @@ module.exports = function fileUpload () {
  try {
  const sandbox = { libxml, data }
  vm.createContext(sandbox)
  - const xmlDoc = vm.runInContext('libxml.parseXml(data, { noblanks: true, noent: true, nocdata: true })', sandbox, { timeout: 2000 })
  + const xmlDoc = vm.runInContext('libxml.parseXml(data, { noblanks: true, noent: true, nocdata: true, huge: true })', sandbox, { timeout: 2000 })
  const xmlString = xmlDoc.toString(false)
  if (utils.notSolved(challenges.xxeFileDisclosureChallenge) && (matchesSystemIniFile(xmlString) || matchesEtcPasswdFile(xmlString))) {
  utils.solve(challenges.xxeFileDisclosureChallenge)
  