HTB22937: Path disclosure in Universal Post Manager wordpress plugin

Vulnerability ID: HTB22937
Reference: http://www.htbridge.ch/advisory/path_disclosure_in_universal_post_manager_wordpress_plugin.html
Product: Universal Post Manager wordpress plugin
Vendor: ProfProjects ( Artyom Chakhoyan ) ( http://www.profprojects.com/ )
Vulnerable Version: 1.0.9
Vendor Notification: 05 April 2011
Vulnerability Type: Path disclosure
Risk level: Low
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ )

Vulnerability Details:
The vulnerability exists due to failure in "/wp-content/plugins/universal-post-manager/bycat.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:

[code]
http://[host]/wp-content/plugins/universal-post-manager/bycat.php
[/code]