* UW workaround improved, methinks.

src/right_main.php

@@ -81,7 +81,8 @@
    }
 
    // compensate for the UW vulnerability
-   if ($imap_server_type == 'uw' && strstr($mailbox, '/')) {
+   if ($imap_server_type == 'uw' && (strstr($mailbox, '../') ||
+                                     substr($mailbox, 0, 1) == '/')) {
       $mailbox = 'INBOX';
    }