diff --git a/app/models/communication/website/with_security.rb b/app/models/communication/website/with_security.rb
index 9ae03475b1e6d02fdc7515fd18464ab2e5d9035f..5707aadf93958091bfaf246568c708d2a6ddf83c 100644
--- a/app/models/communication/website/with_security.rb
+++ b/app/models/communication/website/with_security.rb
@@ -32,7 +32,8 @@ module Communication::Website::WithSecurity
     list = []
     blocks.where(template_kind: :video).each do |block|
       video_url = block.template.url
-      list << URI.parse(video_url).host if url.present?
+      next unless video_url.present?
+      list << Video::Provider.find(video_url).csp_domain
     end
     list
   end
diff --git a/app/services/video/provider/default.rb b/app/services/video/provider/default.rb
index 3cb5b7f3bac8cd8ce2a3f9c415a580a9c23a60b3..bb0f92e3f4bbf72beec5619eb7e9aa106cbe65ac 100644
--- a/app/services/video/provider/default.rb
+++ b/app/services/video/provider/default.rb
@@ -1,6 +1,6 @@
 class Video::Provider::Default
   DOMAINS = []
-  
+
   attr_reader :video_url
 
   include ActionView::Helpers::TagHelper
@@ -17,6 +17,10 @@ class Video::Provider::Default
     video_url
   end
 
+  def csp_domain
+    URI.parse(iframe_url).host
+  end
+
   def iframe_tag(**iframe_options)
     content_tag(:iframe, nil, default_iframe_options.merge(iframe_options))
   end
@@ -36,8 +40,8 @@ class Video::Provider::Default
   protected
 
   def url_in_domains?
-    self.class::DOMAINS.any? do |domain| 
-      video_url.include?(domain) 
+    self.class::DOMAINS.any? do |domain|
+      video_url.include?(domain)
     end
   end
 end
diff --git a/test/services/video/provider_test.rb b/test/services/video/provider_test.rb
index 44247703248e3833935718f10baecb30a8952374..c5d4ab978dffc3e9388181801f7cd0e3cfcead50 100644
--- a/test/services/video/provider_test.rb
+++ b/test/services/video/provider_test.rb
@@ -10,26 +10,33 @@ class Video::ProviderTest < ActiveSupport::TestCase
   def test_vimeo
     provider = Video::Provider.find('https://vimeo.com/248482251')
     assert_equal Video::Provider::Vimeo, provider.class
+    assert_equal "player.vimeo.com", provider.csp_domain
   end
 
   def test_youtube
     provider = Video::Provider.find('https://www.youtube.com/watch?v=sN8Cq5HEBug')
     assert_equal Video::Provider::Youtube, provider.class
+    assert_equal "www.youtube.com", provider.csp_domain
     provider = Video::Provider.find('https://youtu.be/sN8Cq5HEBug')
     assert_equal Video::Provider::Youtube, provider.class
+    assert_equal "www.youtube.com", provider.csp_domain
   end
 
   def test_dailymotion
     provider = Video::Provider.find('https://www.dailymotion.com/video/x35l6b8')
     assert_equal Video::Provider::Dailymotion, provider.class
+    assert_equal "www.dailymotion.com", provider.csp_domain
     provider = Video::Provider.find('https://dai.ly/x35l6b8')
     assert_equal Video::Provider::Dailymotion, provider.class
+    assert_equal "www.dailymotion.com", provider.csp_domain
   end
 
   def test_peertube
     provider = Video::Provider.find('https://peertube.fr/w/1i848Qvi7Q3ytW2uPY8AxG')
     assert_equal Video::Provider::Peertube, provider.class
+    assert_equal "peertube.fr", provider.csp_domain
     provider = Video::Provider.find('https://peertube.my.noesya.coop/w/qBMwAAULLA9oadFgbtdyq8')
     assert_equal Video::Provider::Peertube, provider.class
+    assert_equal "peertube.my.noesya.coop", provider.csp_domain
   end
 end
\ No newline at end of file