HTB22838: Path disclosure in Vote It Up wordpress plugin

Vulnerability ID: HTB22838
Reference: http://www.htbridge.ch/advisory/path_disclosure_in_vote_it_up_wordpress_plugin.html
Product: Vote It Up wordpress plugin
Vendor: Nicholas Kwan (multippt) ( http://www.onfry.com/ )
Vulnerable Version: 1.2.2
Vendor Notification: 08 February 2011
Vulnerability Type: Path disclosure
Risk level: Low
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/vote-it-up/resetcount.php" script, it's possible to generate an error that will reveal the full path of the script.
A remote user can determine the full path to the web root directory and other potentially sensitive information.

The following PoC is available:

http://[host]/wp-content/plugins/vote-it-up/resetcount.php