User enumeration is found in PHPJabbers Callback Widget v1.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.
There is a Cross Site Scripting (XSS) vulnerability in the value-text-o_sms_email_request_message parameters of index.php in PHPJabbers Callback Widget v1.0.