Allow limited Markdown in Broadcast Messages

Closes #11853

1 files changed, 5 insertions, 1 deletions

diff --git a/app/helpers/broadcast_messages_helper.rb b/app/helpers/broadcast_messages_helper.rb
index 1ed8c710f77..43a29c96bca 100644
--- a/app/helpers/broadcast_messages_helper.rb
+++ b/app/helpers/broadcast_messages_helper.rb
@@ -3,7 +3,7 @@ module BroadcastMessagesHelper
     return unless message.present?
 
     content_tag :div, class: 'broadcast-message', style: broadcast_message_style(message) do
-      icon('bullhorn') << ' ' << message.message
+      icon('bullhorn') << ' ' << render_broadcast_message(message.message)
     end
   end
 
@@ -31,4 +31,8 @@ module BroadcastMessagesHelper
       'Pending'
     end
   end
+
+  def render_broadcast_message(message)
+    Banzai.render(message, pipeline: :broadcast_message).html_safe
+  end
 end