WWW File Share Pro 2.42 and earlier allows remote attackers to bypass directory access restrictions via (1) a URL with a trailing . (dot), or (2) a URI with a leading slash or backslash character.
Exploitability
AV:NAC:LAu:NImpact
C:PI:PA:P7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P