Phorum 3.4 through 3.4.2 allows remote attackers to obtain the full path of the web server via an incorrect HTTP request to (1) smileys.php, (2) quick_listrss.php, (3) purge.php, (4) news.php, (5) memberlist.php, (6) forum_listrss.php, (7) forum_list_rdf.php, (8) forum_list.php, or (9) move.php, which leaks the information in an error message.
Exposure of Sensitive Information to an Unauthorized Actor The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.