Multiple SQL injection vulnerabilities in MyPHP Forum 3.0 and earlier allow remote attackers to execute arbitrary SQL commands via the searchtext parameter to search.php, and unspecified other vectors.

Multiple SQL injection vulnerabilities in MyPHP Forum 1.0 allow remote attackers to execute arbitrary SQL commands via (1) the fid in forum.php, (2) the member parameter in member.php, (3) the email parameter in forgot.php, or (4) the nbuser or nbpass parameters in include.php. NOTE: it was later reported that vector 2 exists in 3.0 and earlier.

MyPHP Forum 1.0 allows remote attackers to spoof the username by modifying the (1) nbuser parameter to post.php or (2) sender parameter to privmsg.php.