security/core#14 Validate "context" inputs

[civicrm-core.git] / CRM / Mailing / Page / Report.php

diff --git a/CRM/Mailing/Page/Report.php b/CRM/Mailing/Page/Report.php
index 6d36ee08f4d1eea903a38080cb139520b2c69a04..3652f97781d34a7a1dbc5fc4758fb60b56aeb865 100644 (file)
--- a/CRM/Mailing/Page/Report.php
+++ b/CRM/Mailing/Page/Report.php
@@ -110,7 +110,7 @@ class CRM_Mailing_Page_Report extends CRM_Core_Page_Basic {
     CRM_Mailing_BAO_Mailing::getMailingContent($report, $this);
 
     // assign backurl
-    $context = CRM_Utils_Request::retrieve('context', 'String', $this);
+    $context = CRM_Utils_Request::retrieve('context', 'Alphanumeric', $this);
     $cid = CRM_Utils_Request::retrieve('cid', 'Positive', $this);
 
     if ($context == 'activitySelector') {