diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 4ff5bc86..3d90183d 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+Unreleased
+---------------------
+- Fix #328: Missing Iframe attributes in snippet
+
 1.10.3 (May 15, 2024)
 ---------------------
 - Fix #321: Fix indexing of template content for search
@@ -17,7 +21,7 @@ Changelog
 1.10.0 (January 6, 2024)
 ------------------------
 - Fix: Highlight admin menu entry when "Template" page is active
-- Enh: Added Twig Sandbox Extension and restricted Twig templating features by default 
+- Enh: Added Twig Sandbox Extension and restricted Twig templating features by default
 
 1.9.6 (December 12, 2023)
 -------------------------
diff --git a/models/CustomContentContainer.php b/models/CustomContentContainer.php
index ad29d595..758170e9 100644
--- a/models/CustomContentContainer.php
+++ b/models/CustomContentContainer.php
@@ -28,6 +28,7 @@
  * @property string $title
  * @property string $icon
  * @property string $page_content
+ * @property string $iframe_attrs
  * @property integer $sort_order
  * @property integer $admin_only
  * @property integer $in_new_window
diff --git a/widgets/views/snippet_iframe.php b/widgets/views/snippet_iframe.php
index a025fc8d..2851037d 100644
--- a/widgets/views/snippet_iframe.php
+++ b/widgets/views/snippet_iframe.php
@@ -1,5 +1,7 @@
 <?php
-use humhub\libs\Html;use humhub\modules\custom_pages\widgets\SnippetContent;
+
+use humhub\libs\Html;
+use humhub\modules\custom_pages\widgets\SnippetContent;
 
 /* @var $model \humhub\modules\custom_pages\models\CustomContentContainer */
 /* @var $canEdit bool */
@@ -7,14 +9,14 @@
 $iframeId = 'iframesnippet-' . $model->id;
 
 $navigation = (!$canEdit) ? [] : [
-    '<a href="'.$model->getEditUrl().'"><i class="fa fa-pencil"></i>' . Yii::t('CustomPagesModule.base', 'Edit') . '</a>'
+    '<a href="' . $model->getEditUrl() . '"><i class="fa fa-pencil"></i>' . Yii::t('CustomPagesModule.base', 'Edit') . '</a>'
 ];
 ?>
 
 <?=
 SnippetContent::widget([
     'model' => $model,
-    'content' => '<iframe id="' . $iframeId . '" style="border:0px;width:100%;" src="' . \yii\helpers\Html::encode($model->getPageContent()) . '"></iframe>',
+    'content' => '<iframe id="' . $iframeId . '" style="border:0px;width:100%;" src="' . \yii\helpers\Html::encode($model->getPageContent()) . '"' . ($model->iframe_attrs ? ' ' . $model->iframe_attrs : '') . '></iframe>',
     'navigation' => $navigation
 ]);
 ?>