Summary:
action.lostusername.php - Incorrect parameter handling, incorrect input fields
Detailed Description:
The parameter for the default group ID is checked incorrectly. The function
cge_param::get_int() expects as third parameter an INT, an ARRAY is returned by
$this->GetDefaultGroups().
$gid = cge_param::get_int($params,'feu_gid',$this->GetDefaultGroups());
After fixing this line, the next problem is that the <input> fields has a
pattern="" Attribute. An empty pattern does not allow any input. -> Check if
there is a pattern before it is set in the input field.