PHP Advanced Transfer Manager (phpATM) 1.21 allows remote attackers to upload arbitrary files via filenames containing multiple file extensions, as demonstrated using a filename ending in "php.ns", which allows execution of arbitrary PHP code.
Exploitability
AV:NAC:LAu:NImpact
C:PI:PA:P7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P