--- src/Checks/Field.php
+++ src/Checks/Field.php
@@ -86,7 +86,7 @@ class Field extends Check {
         /** @var TypedDataInterface $property */
         $value = $property->getValue();
         if (is_string($value)) {
-          $field_name = $property->getDataDefinition()->getLabel();
+          $field_name = $item->getFieldDefinition()->getLabel();
           foreach ($tags as $vulnerability => $tag) {
             if (strpos($value, '<' . $tag) !== FALSE) {
               // Vulnerability found.
@@ -138,9 +138,9 @@ class Field extends Check {
           ->load($entity_id);
 
         foreach ($fields as $field => $finding) {
-          $url = $entity->urlInfo('edit-form');
+          $url = $entity->toUrl('edit-form')->toString();
           if ($url === NULL) {
-            $url = $entity->urlInfo();
+            $url = $entity->toUrl()->toString();
           }
           $items[] = $this->t(
             '@vulnerabilities found in <em>@field</em> field of <a href=":url">@label</a>',