Directory traversal vulnerability in download_audio.php in the SE HTML5 Album Audio Player (se-html5-album-audio-player) plugin 1.1.0 and earlier for WordPress allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter.
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.