ProQuality pqprintshippinglabels before v.4.15.0 is vulnerable to Directory Traversal via the pqprintshippinglabels module.
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.