Exposure of Sensitive Information to an Unauthorized Actor
StaticFileHandler.cs in System.Web in Mono before 126.96.36.199, when running on Windows, allows remote attackers to obtain source code of sensitive files via a request containing a trailing (1) space or (2) dot, which is not properly handled by XSP.
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.