Multiple SQL injection vulnerabilities in PD9 Software MegaBBS 2.2 allow remote attackers to execute arbitrary SQL commands via the (1) invisible and (2) timeoffset parameters to profile/controlpanel.asp and the (3) attachmentid parameter to forums/attach-file.asp.
https://www.exploit-db.com/exploits/5507
https://exchange.xforce.ibmcloud.com/vulnerabilities/42044