HTB22892: Path disclosure in Smen Social Button wordpress plugin

Vulnerability ID: HTB22892
Reference: http://www.htbridge.ch/advisory/path_disclosure_in_smen_social_button_wordpress_plugin.html
Product: Smen Social Button wordpress plugin
Vendor: Alexandru Dumencu ( http://smen.ro/ )
Vulnerable Version: 0.7
Vendor Notification: 03 March 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/smen-social-button/settings_page.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/smen-social-button/settings_page.php