diff --git a/public/js/render.js b/public/js/render.js
index 777787952..559530b06 100644
--- a/public/js/render.js
+++ b/public/js/render.js
@@ -14,6 +14,8 @@ whiteList['style'] = [];
 whiteList['kbd'] = [];
 // allow ifram tag with some safe attributes
 whiteList['iframe'] = ['allowfullscreen', 'name', 'referrerpolicy', 'sandbox', 'src', 'srcdoc', 'width', 'height'];
+// allow summary tag
+whiteList['summary'] = [];
 
 var filterXSSOptions = {
     allowCommentTag: true,