From b64d5c82a74a3c6780c954faa19c90b8554e8dd3 Mon Sep 17 00:00:00 2001
From: mokaddem <sami.mokaddem@circl.lu>
Date: Fri, 25 Jan 2019 09:34:55 +0100
Subject: [PATCH] fix: [attribute] Prevent undefined index on tag filtering.

As tags are popped from the attribute scope first, they will not be
available in the event scope.
---
 app/Model/Attribute.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/Model/Attribute.php b/app/Model/Attribute.php
index 6c9d754ca..1792ee6fd 100644
--- a/app/Model/Attribute.php
+++ b/app/Model/Attribute.php
@@ -3796,7 +3796,7 @@ class Attribute extends AppModel
             );
             foreach ($params as $param => $paramData) {
                 foreach ($simple_params as $scope => $simple_param_scoped) {
-                    if (isset($simple_param_scoped[$param]) && $params[$param] !== false) {
+                    if (isset($simple_param_scoped[$param]) && isset($params[$param]) && $params[$param] !== false) {
                         $options = array(
                             'filter' => $param,
                             'scope' => $scope,