SQL injection vulnerability in userlogin.php in Phorum 3.4.7 allows remote attackers to execute arbitrary SQL commands via doubly hex-encoded characters such as "%2527", which is translated to "'", as demonstrated using the phorum_uriauth parameter to list.php.

SQL injection vulnerability in userlogin.php in Phorum 3.4.7 allows remote attackers to execute arbitrary SQL commands via doubly hex-encoded characters such as "%2527", which is translated to "'", as demonstrated using the phorum_uriauth parameter to list.php.