diff --git a/index.js b/index.js
index 998e89c..25a7980 100644
--- a/index.js
+++ b/index.js
@@ -35,6 +35,19 @@ try {
 }
 
 var disableModExposeSupported = process.versions.svrjs && process.versions.svrjs.match(/^(?:Nightly-|(?:[4-9]|[123][0-9])[0-9]*\.|3\.(?:[1-9][0-9]+\.|9\.(?:[1-9])|4\.(?:(?:[3-9]|[12][0-9])[0-9]+|29)))/i);
+var normalizedWebrootSupported = process.versions.svrjs && process.versions.svrjs.match(/^(?:Nightly-|(?:[5-9]|[1234][0-9])[0-9]*\.|4\.(?:(?:[1][0-9]|[2-9])+\.))/i);
+
+function normalizeWebroot(currentWebroot) {
+  if (currentWebroot === undefined) {
+    return process.cwd();
+  } else if (!path.isAbsolute(currentWebroot)) {
+    return (
+      process.cwd() + (os.platform() == "win32" ? "\\" : "/") + currentWebroot
+    );
+  } else {
+    return currentWebroot;
+  }
+}
 
 function Mod() {}
 
@@ -44,6 +57,8 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
       configJSON = configJSONS;
     }
 
+    var detectedWwwroot = normalizedWebrootSupported ? normalizeWebroot(configJSON.wwwroot) : process.cwd();
+
     function checkIfThereIsA401Rule() {
       var actually401 = false;
 
@@ -177,15 +192,15 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
         var cned = false;
         args.push(fname);
         if (passedArgs == "binary") {
-          filename = (process.cwd() + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/");
+          filename = (detectedWwwroot + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/");
           args = [];
         } else if (passedArgs) {
           if (os.platform() == "win32") {
             args = passedArgs;
-            args.push((process.cwd() + ("\\" + fname.replace(/\//g, "\\"))).replace(/\\+/, "\\"));
+            args.push((detectedWwwroot + ("\\" + fname.replace(/\//g, "\\"))).replace(/\\+/, "\\"));
             filename = args.shift();
           } else {
-            filename = (process.cwd() + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/");
+            filename = (detectedWwwroot + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/");
             args = [];
           }
         } else {
@@ -200,16 +215,15 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
               return;
             }
           }
-          args.push((process.cwd() + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/"));
+          args.push((detectedWwwroot + (os.platform() == "win32" ? "\\" + fname.replace(/\//g, "\\") : "/" + fname)).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/"));
           filename = args.shift();
         }
 
         var wd = fname.split("/");
-        wd[0] = "";
         wd[wd.length - 1] = "";
         wd = wd.join(os.platform() == "win32" ? "\\" : "/");
         var interpreter = childProcess.spawn(filename, args, {
-          cwd: (process.cwd() + wd).replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/"),
+          cwd: wd.replace(os.platform() == "win32" ? /\\+/ : /\/+/, os.platform() == "win32" ? "\\" : "/"),
           env: env
         });
         interpreter.on("error", (error) => {
@@ -373,9 +387,9 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
         nEnv["SERVER_ADMIN"] = configJSON.serverAdministratorEmail;
       }
       nEnv["SERVER_NAME"] = req.headers.host;
-      nEnv["DOCUMENT_ROOT"] = process.cwd();
+      nEnv["DOCUMENT_ROOT"] = detectedWwwroot;
       nEnv["PATH_INFO"] = decodeURIComponent(b);
-      nEnv["PATH_TRANSLATED"] = b ? ((process.cwd() + decodeURIComponent(require("os").platform == "win32" ? b.replace(/\//g, "\\") : b)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"))) : "";
+      nEnv["PATH_TRANSLATED"] = b ? ((detectedWwwroot + decodeURIComponent(require("os").platform == "win32" ? b.replace(/\//g, "\\") : b)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"))) : "";
       nEnv["REQUEST_METHOD"] = req.method;
       nEnv["GATEWAY_INTERFACE"] = "CGI/1.1";
       nEnv["REQUEST_URI"] = (!origHref || origHref == href) ? req.url : (origHref + (uobject.search ? ((uobject.search[0] == "?" ? "" : "?") + uobject.search) : ""));
@@ -386,7 +400,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
         nEnv["REMOTE_PORT"] = req.socket.remotePort;
       }
       nEnv["SCRIPT_NAME"] = a;
-      nEnv["SCRIPT_FILENAME"] = (process.cwd() + (require("os").platform == "win32" ? a.replace(/\//g, "\\") : a)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"));
+      nEnv["SCRIPT_FILENAME"] = (detectedWwwroot + (require("os").platform == "win32" ? a.replace(/\//g, "\\") : a)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"));
       if (req.socket.encrypted) nEnv["HTTPS"] = "ON";
       if (req.headers["content-type"]) nEnv["CONTENT_TYPE"] = req.headers["content-type"];
       if (req.headers["content-length"]) nEnv["CONTENT_LENGTH"] = req.headers["content-length"];
@@ -397,13 +411,13 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
       for (var i = 0; i < nhKeys.length; i++) {
         nEnv["HTTP_" + nhKeys[i].replace(/[^0-9A-Za-z]+/g, "_").toUpperCase()] = req.headers[nhKeys[i]];
       }
-      executeCGI("." + a, req, res, dh, nEnv);
+      executeCGI(detectedWwwroot + a, req, res, dh, nEnv);
     }
 
     var isCgiBin = href.match(new RegExp("^/cgi-bin(?:$|[?#/])", os.platform() == "win32" ? "i" : ""));
     var isScriptExt = scriptExts.indexOf("." + ext) != -1;
 
-    if ((href == "/redbrick-interpreters.json" || href == "/redbrick-scriptexts.json" || (os.platform() == "win32" && (href.toLowerCase() == "/redbrick-interpreters.json" || href.toLowerCase() == "/redbrick-scriptexts.json"))) && path.normalize(__dirname + "/../../..") == process.cwd()) {
+    if ((href == "/redbrick-interpreters.json" || href == "/redbrick-scriptexts.json" || (os.platform() == "win32" && (href.toLowerCase() == "/redbrick-interpreters.json" || href.toLowerCase() == "/redbrick-scriptexts.json"))) && path.normalize(__dirname + "/../../..") == detectedWwwroot) {
       if (!callServerError) {
         res.writeHead(403, "Forbidden", {
           "Content-Type": "text/html",
@@ -428,11 +442,11 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
         callServerError(403, "RedBrick/" + version);
       }
     } else {
-      fs.stat("." + decodeURIComponent(href), function (err, stats) {
+      fs.stat(detectedWwwroot + decodeURIComponent(href), function (err, stats) {
         if (!err) {
           if (!stats.isFile()) {
             if (isCgiBin || scriptExts.indexOf(".php") != -1) {
-              fs.stat("." + decodeURIComponent(href) + "/index.php", function (e2, s2) {
+              fs.stat(detectedWwwroot + decodeURIComponent(href) + "/index.php", function (e2, s2) {
                 if (!e2 && s2.isFile()) {
                   try {
                     executeCGIWithEnv(
@@ -484,7 +498,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
                     }
                   }
                 } else if (isCgiBin || scriptExts.indexOf(".cgi") != -1) {
-                  fs.stat("." + decodeURIComponent(href) + "/index.cgi", function (e3, s3) {
+                  fs.stat(detectedWwwroot + decodeURIComponent(href) + "/index.cgi", function (e3, s3) {
                     if (!e3 && s3.isFile()) {
                       try {
                         executeCGIWithEnv(
@@ -544,7 +558,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
                 }
               });
             } else if (scriptExts.indexOf(".cgi") != -1) {
-              fs.stat("." + decodeURIComponent(href) + "/index.cgi", function (e3, s3) {
+              fs.stat(detectedWwwroot + decodeURIComponent(href) + "/index.cgi", function (e3, s3) {
                 if (!e3 && s3.isFile()) {
                   try {
                     executeCGIWithEnv(
@@ -668,7 +682,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
             if (!a) b = [];
             else var b = a.split("/");
             var isFile = false;
-            fs.stat(pth, function (err, stats) {
+            fs.stat(detectedWwwroot + "/" + pth, function (err, stats) {
               if (!err && stats.isFile()) {
                 cb({
                   fpth: pth,