Index: /temp/test-xoops.ec-cube.net/html/modules/mylinks/submit.php
===================================================================
--- /temp/test-xoops.ec-cube.net/html/modules/mylinks/submit.php	(revision 929)
+++ /temp/test-xoops.ec-cube.net/html/modules/mylinks/submit.php	(revision 1083)
@@ -39,4 +39,7 @@
 }
 
+//Spam buster! The post within 3 seconds is invalid.
+$sb_after_sec = 3;
+if(time() < $_POST['sb_showtime'] + $sb_after_sec) die;
 if (!empty($_POST['submit'])) {