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-rw-r--r--lib/banzai/filter/sanitization_filter.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/banzai/filter/sanitization_filter.rb b/lib/banzai/filter/sanitization_filter.rb
index af1e575fc89..d5f9e252f62 100644
--- a/lib/banzai/filter/sanitization_filter.rb
+++ b/lib/banzai/filter/sanitization_filter.rb
@@ -35,6 +35,10 @@ module Banzai
# Allow span elements
whitelist[:elements].push('span')
+ # Allow html5 details/summary elements
+ whitelist[:elements].push('details')
+ whitelist[:elements].push('summary')
+
# Allow abbr elements with title attribute
whitelist[:elements].push('abbr')
whitelist[:attributes]['abbr'] = %w(title)