Squirrelmail local file inclusion

Squirrelmail local file inclusion bug in functions/plugin.php . Tested on the latest 1.4.x version. No authentication needed. if isset$plugins && isarray$plugins foreach $plugins as $name useplugin$name; ... function useplugin $name if fileexistsSMPATH . "plugins/$name/setup.php" includeonceSMPAT...