diff --git a/src/utils/markdownToHtml.js b/src/utils/markdownToHtml.js
index f1b57096d..75b81a125 100644
--- a/src/utils/markdownToHtml.js
+++ b/src/utils/markdownToHtml.js
@@ -20,6 +20,7 @@ const markdownImageRegex = /!\[[^\]]*\]\((.*?)\s*("(?:.*[^"])")?\s*\)/g;
const urlRegex = /(http|ftp|https):\/\/([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:/~+#-]*[\w@?^=%&/~+#-])?/gm;
const aTagRegex = /(<\s*a[^>]*>(.*?)<\s*[/]\s*a>)/g;
const imgTagRegex = /(]*>)/g;
+const iframeRegex = /(?: