From a13bfe4cca0ed77f9bde16611d1ed12b6e9a1d03 Mon Sep 17 00:00:00 2001
From: Petr Skoda <skodak@moodle.org>
Date: Sun, 22 Nov 2009 21:02:12 +0000
Subject: [PATCH] MDL-20931 fixed input validation

---
 course/import/groups/index.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/course/import/groups/index.php b/course/import/groups/index.php
index cd79671cb05..93eed4ab4e3 100755
--- a/course/import/groups/index.php
+++ b/course/import/groups/index.php
@@ -75,7 +75,7 @@ echo $OUTPUT->header();
 
 require_once($CFG->dirroot.'/lib/uploadlib.php');
 $um = new upload_manager('userfile',false,false,null,false,0);
-if ($um->preprocess_files()) {
+if ($um->preprocess_files() and confirm_sesskey()) {
     $filename = $um->files['userfile']['tmp_name'];
 
     //Fix mac/dos newlines