diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/banzai/filter/sanitization_filter.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/banzai/filter/sanitization_filter.rb b/lib/banzai/filter/sanitization_filter.rb index c201ace8d35..abd79b329ae 100644 --- a/lib/banzai/filter/sanitization_filter.rb +++ b/lib/banzai/filter/sanitization_filter.rb @@ -7,6 +7,8 @@ module Banzai # # Extends HTML::Pipeline::SanitizationFilter with a custom whitelist. class SanitizationFilter < HTML::Pipeline::SanitizationFilter + UNSAFE_PROTOCOLS = %w(javascript :javascript data vbscript).freeze + def whitelist whitelist = super @@ -62,7 +64,7 @@ module Banzai return unless node.name == 'a' return unless node.has_attribute?('href') - if node['href'].start_with?('javascript', ':javascript', 'data') + if node['href'].start_with?(*UNSAFE_PROTOCOLS) node.remove_attribute('href') end end |