Phorum 3.3.2a allows remote attackers to execute arbitrary commands via an HTTP request to (1) plugin.php, (2) admin.php, or (3) del.php that modifies the PHORUM[settings_dir] variable to point to a directory that contains a PHP file with the commands.

Phorum 3.3.2 allows remote attackers to determine the email addresses of the 10 most active users via a direct HTTP request to the stats.php program, which does not require authentication.

violation.php3 in Phorum 3.0.7 allows remote attackers to send e-mails to arbitrary addresses and possibly use Phorum as a "spam proxy" by setting the Mod and ForumName parameters.

Phorum 3.0.7 allows remote attackers to change the administrator password without authentication via an HTTP request for admin.php3 that sets step, option, confirm and newPssword variables.

Backdoor in auth.php3 in Phorum 3.0.7 allows remote attackers to access restricted web pages via an HTTP request with the PHP_AUTH_USER parameter set to "boogieman".

upgrade.php3 in Phorum 3.0.7 could allow remote attackers to modify certain Phorum database tables via an unknown method.

code.php3 in Phorum 3.0.7 allows remote attackers to read arbitrary files in the phorum directory via the query string.

Directory traversal vulnerability in Phorum 3.0.7 allows remote Phorum administrators to read arbitrary files via ".." (dot dot) sequences in the default .langfile name field in the Master Settings administrative function, which causes the file to be displayed in admin.php3.

SQL injection vulnerability in read.php3 and other scripts in Phorum 3.0.7 allows remote attackers to execute arbitrary SQL queries via the sSQL parameter.