Exposure of Sensitive Information to an Unauthorized Actor
Z-BlogPHP 1.5.1 allows remote attackers to discover the full path via a direct request to zb_system/function/lib/upload.php.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.