upload.php in YaPiG 0.92b, 0.93u and 0.94u does not properly restrict the file extension for uploaded image files, which allows remote attackers to upload arbitrary files and execute 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