Double Email Fix 1.0 There is an security bug in YaBB SP 1.1 which allows a second user to enter an already existing email address using upper/lowercaseas upper and lower case email addresses are now different for YaBB in the routine. This is a fix for this. Spikecity http://www.spikecity.net/ Sources/Register.pl # If user is not in memory, s/he must be loaded. &LoadUser($memberlist[$a]); if($userprofile{$memberlist[$a]}->[2] eq $member{'email'}) { &fatal_error("$txt{'730'} ($member{'email'}) $txt{'731'}"); } # If user is not in memory, s/he must be loaded. &LoadUser($memberlist[$a]); if(lc($userprofile{$memberlist[$a]}->[2]) eq lc($member{'email'})) { &fatal_error("$txt{'730'} ($member{'email'}) $txt{'731'}"); }