Input validation vulnerability in Qualifio's Wheel of Fortune. This vulnerability could allow an attacker to modify a single email to contain upper and lower case characters in order to access the application and win prizes as many times as wanted.
Solution:
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.