Directory traversal vulnerability in the Export feature in phpMyAdmin 4.x before 4.0.0-rc3 allows remote authenticated users to read arbitrary files or possibly have unspecified other impact via a parameter that specifies a crafted export type.
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.