SQL injection vulnerability in PD9 Software MegaBBS 2 and 2.1 allows remote attackers to execute arbitrary SQL commands via the (1) sortdir or (2) criteria parameter to ladder-log.asp or the (3) memberid or (4) teamid parameter to view-profile.asp.

CRLF injection vulnerability in PD9 Software MegaBBS 2 and 2.1 allows attackers to conduct HTTP response splitting attacks via the fid parameter in a writenew action to thread-post.asp.

Unspecified vulnerability in PD9 Software MegaBBS 2.0 and 2.1 allows attackers to gain privileges via unknown vectors involving (1) admin/userlevelmembers-edit.asp and (2) admin/edit-groups.asp.

The send-private-message functionality (send-private-message.asp) in PD9 Software MegaBBS 2.1 allows remote attackers to read private messages of other users via a modified replyid parameter.