Unrestricted file upload vulnerability in the add2 action in a_upload.php in OneCMS 2.4, and possibly earlier, allows remote attackers to execute arbitrary code by uploading a file with an executable extension and using a safe content type such as image/gif, then accessing it via a direct request to the file in an unspecified directory.
osvdb.org/51117
sourceforge.net/forum/forum.php?forum_id=774946
www.bugreport.ir/index_26.htm
www.securityfocus.com/archive/1/485837/100/200/threaded
www.securityfocus.com/archive/1/487136/100/200/threaded
www.securityfocus.com/bid/27158
www.vupen.com/english/advisories/2008/0081
exchange.xforce.ibmcloud.com/vulnerabilities/39485
www.exploit-db.com/exploits/4857