Exposure of Sensitive Information to an Unauthorized Actor
The Register Plus plugin 3.5.1 and earlier for WordPress allows remote attackers to obtain sensitive information via a direct request to (1) dash_widget.php and (2) register-plus.php, which reveals the installation path in an error message.
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.