function loadFilterListCallback(check_return)
{
    window.$("#stuf_loader").hide();

    console.log(check_return);
    window.$("#view_resp").html(check_return);
}
The software 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 software 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.