HTB22874: Path disclosure in Lazyest Gallery wordpress plugin

Vulnerability ID: HTB22874
Reference: http://www.htbridge.ch/advisory/path_disclosure_in_lazyest_gallery_wordpress_plugin.html
Product: Lazyest Gallery wordpress plugin
Vendor: Brimosoft ( http://brimosoft.nl/ )
Vulnerable Version: 1.0.26
Vendor Notification: 24 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/lazyest-gallery/lazyest-img.php" scripts, 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/lazyest-gallery/lazyest-img.php?file=123