diff --git a/core/includes/install.inc b/core/includes/install.inc
index 8c2e9fe..0c9eae7 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -7,6 +7,7 @@
 
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Drupal\Component\Utility\Crypt;
+use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\OpCodeCache;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Extension\ExtensionDiscovery;
@@ -1018,11 +1019,23 @@ function drupal_check_module($module) {
   if (is_array($requirements) && drupal_requirements_severity($requirements) == REQUIREMENT_ERROR) {
     // Print any error messages
     foreach ($requirements as $requirement) {
+      $description_issafe = TRUE;
       if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
+
+        if (!SafeMarkup::isSafe($requirement['description'])) {
+          $description_issafe = FALSE;
+        }
+
         $message = $requirement['description'];
+
         if (isset($requirement['value']) && $requirement['value']) {
           $message .= ' (' . t('Currently using !item !version', array('!item' => $requirement['title'], '!version' => $requirement['value'])) . ')';
         }
+
+        if ($description_issafe) {
+          $message = SafeMarkup::set($message);
+        }
+
         drupal_set_message($message, 'error');
       }
     }