Cross-site scripting (XSS) vulnerability in memcp.php in XMB U2U Instant Messenger allows remote authenticated users to inject arbitrary web script or HTML via the recipient field.

Directory traversal vulnerability in memcp.php in XMB (Extreme Message Board) 1.9.6 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the langfilenew parameter, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by header.php.

SQL injection vulnerability in the u2u_send_recp function in u2u.inc.php in XMB (aka extreme message board) 1.9.6 Alpha and earlier allows remote attackers to execute arbitrary SQL commands via the u2uid parameter to u2u.php, which is directly accessed from $_POST and bypasses the protection scheme.

Cross-site scripting (XSS) vulnerability in XMB Forum 1.9.5 allows remote attackers to inject arbitrary web script or HTML by uploading a Flash (.SWF) video that contains a getURL function call, which causes the video to be rendered without disabling ActionScript.

Cross-site scripting (XSS) vulnerability in XMB (aka extreme message board) allows remote attackers to inject arbitrary web script or HTML via JavaScript in the SRC attribute of an IMG element.

Intentional information leak in phpinfo.php in XMB (aka extreme message board) 1.9 beta (aka Nexus beta) allows remote attackers to obtain sensitive information such as the configuration of the web server and the PHP application.

Cross-site scripting vulnerability in eXtreme message board (XMB) 1.6x and earlier allows remote attackers to execute script as other XMB users by inserting the script into an IMG tag.