NetClassifieds Premium Edition allows remote attackers to obtain sensitive information via certain requests that reveal the path in an error message, related to the display_errors setting in (1) Common.php and (2) imageresizer.php, and (3) the use of __FILE__ in error reporting by imageresizer.php; and (4) via certain requests that reveal the table name and complete query, related to the Halt_On_Error setting in Mysql_db.php.