You will notethat, when used to mount an NFS directory, the Corel File Manager offers a check box that indicates that the resource in question is to be remounted every time you log in.
Researchers notethat the only way to stay safe is to check those URLs and only visit sites that you trust (which isn't very reassuring) and "may or may not be exploitable" from Mac and PC versions of Safari -- the same vulnerability exists only they haven't written the proof-of-concept exploit to test it yet.