inc/exif.inc.php in Original Photo Gallery 0.11.2 and earlier allows remote attackers to execute arbitrary programs via the exif_prog parameter, which is specified in an exec function call.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36916
http://www.vupen.com/english/advisories/2007/3341
http://www.ush.it/team/ascii/hack-original/advisory.txt
http://www.securityfocus.com/archive/1/481316/100/0/threaded
http://securityreason.com/securityalert/3187