diff --git a/app/models/communication/block/component/option.rb b/app/models/communication/block/component/option.rb
index 2cfa572e09be5f7c6ff829748327e4248c101449..b665a78f3ca013eed1ffdcbd2afd5f205145b8f6 100644
--- a/app/models/communication/block/component/option.rb
+++ b/app/models/communication/block/component/option.rb
@@ -1,12 +1,10 @@
 class Communication::Block::Component::Option < Communication::Block::Component::Base
   attr_reader :options
 
-
   def data
     @data || default_data
   end
 
-
   def default_data
     options.first
   end
diff --git a/app/models/communication/block/component/rich_text.rb b/app/models/communication/block/component/rich_text.rb
index 5726cc4543f9444c339a45b2688e96aeb3c818aa..428b4bff02e81b87946183a2c1ef97f4c25add04 100644
--- a/app/models/communication/block/component/rich_text.rb
+++ b/app/models/communication/block/component/rich_text.rb
@@ -1,14 +1,9 @@
 class Communication::Block::Component::RichText < Communication::Block::Component::Base
 
   def data=(value)
-    @data = clean(value)
-  end
-
-  protected
-
-  def clean(value)
     value = SummernoteCleaner.clean value.to_s
-    value = ActionView::Base.full_sanitizer.sanitize value
-    value
+    value = Osuny::Sanitizer.sanitize value, 'text'
+    @data = value
   end
+
 end
diff --git a/app/models/communication/block/template/post.rb b/app/models/communication/block/template/post.rb
index 9427f7c5ec25d1881ee3eb8778818cf0ab20e03b..1c9dcf1e44adcc86a7d66ec8d59a48ede3495abe 100644
--- a/app/models/communication/block/template/post.rb
+++ b/app/models/communication/block/template/post.rb
@@ -2,7 +2,7 @@ class Communication::Block::Template::Post < Communication::Block::Template::Bas
 
   has_component :mode, :option, options: [:all, :category, :selection]
   has_component :posts_quantity, :number, options: 3
-  has_component :category, :category
+  has_component :category_id, :category
 
   def build_git_dependencies
     add_dependency category unless category.nil?
@@ -17,9 +17,11 @@ class Communication::Block::Template::Post < Communication::Block::Template::Bas
   end
 
   def category
-    @category ||= block.about&.website
-                              .categories
-                              .find_by(id: data['category_id'])
+    return unless block.about&.website
+    block.about
+         .website
+         .categories
+         .find_by(id: data)
   end
 
   def selected_posts
@@ -37,6 +39,7 @@ class Communication::Block::Template::Post < Communication::Block::Template::Bas
   end
 
   def selected_posts_category
+    return [] if category.nil?
     category_ids = [category.id, category.descendants.map(&:id)].flatten
     university.communication_website_posts.joins(:categories)
                                           .where(categories: { id: category_ids })
diff --git a/app/views/admin/communication/blocks/components/category/_edit.html.erb b/app/views/admin/communication/blocks/components/category/_edit.html.erb
index 06d6fb728f2ab50b8b5a31dc0d591d1bb6fc1375..523f900131d2ee115d53000b269081cc28565b42 100644
--- a/app/views/admin/communication/blocks/components/category/_edit.html.erb
+++ b/app/views/admin/communication/blocks/components/category/_edit.html.erb
@@ -1,12 +1,16 @@
 <%
 categories = collection_tree(@block.about&.website.categories)
 %>
-<label class="form-label"
-      for="category_id">Sélectionnez une catégorie</label>
-<select id="category_id"
-      class="form-select select mb-3"
-      v-model="data.category_id">
+<label  class="form-label"
+        for="<%= dom_id.html_safe %>">
+  <%= label %>
+</label>
+<select id="<%= dom_id.html_safe %>"
+        class="form-select select mb-3"
+        v-model="<%= model %>.<%= property %>">
   <% categories.each_with_index do |category, index| %>
-    <option value="<%= category[:id] %>"><%= category[:label].html_safe %></option>
+    <option value="<%= category[:id] %>">
+      <%= category[:label].html_safe %>
+    </option>
   <% end %>
 </select>
diff --git a/app/views/admin/communication/blocks/templates/posts/_edit.html.erb b/app/views/admin/communication/blocks/templates/posts/_edit.html.erb
index 82d434f11bdb74298cec01d57e668bcb98c0b60c..91ef1e58a90246c7d8e77d11e39b08d2ae6aba26 100644
--- a/app/views/admin/communication/blocks/templates/posts/_edit.html.erb
+++ b/app/views/admin/communication/blocks/templates/posts/_edit.html.erb
@@ -6,18 +6,8 @@
     <div v-if="data.mode === 'category' || data.mode === 'all'">
       <%= block_component_edit :posts_quantity %>
     </div>
-
     <div v-if="data.mode === 'category'">
-      <%= block_component_edit :category %>
-      <label class="form-label"
-            for="category_id">Sélectionnez une catégorie</label>
-      <select id="category_id"
-            class="form-select select mb-3"
-            v-model="data.category_id">
-        <% categories.each_with_index do |category, index| %>
-          <option value="<%= category[:id] %>"><%= category[:label].html_safe %></option>
-        <% end %>
-      </select>
+      <%= block_component_edit :category_id %>
     </div>
   </div>
 </div>
diff --git a/app/views/admin/communication/blocks/templates/posts/_preview.html.erb b/app/views/admin/communication/blocks/templates/posts/_preview.html.erb
index 1f264f7d24473f489902919f986275c803850c9b..66f447a9a9564d953b4bf9c5ca359b62b6da7b97 100644
--- a/app/views/admin/communication/blocks/templates/posts/_preview.html.erb
+++ b/app/views/admin/communication/blocks/templates/posts/_preview.html.erb
@@ -1,6 +1,6 @@
 <% if @block.data %>
   <% if @block.template.category %>
-    <h2 class="mb-4"><%= @block.template.category %></h2>
+    <h2 class="mb-4"><%= @block.template.category_component.object %></h2>
   <% end %>
   <% @block.template.selected_posts.each do |post| %>
     <div class="card">
diff --git a/config/locales/communication/fr.yml b/config/locales/communication/fr.yml
index c5192ce76b8cb7f5c192472099fae9264d332ec9..6b280638ceb4cdf40e66178a9e4e73988a6fff4c 100644
--- a/config/locales/communication/fr.yml
+++ b/config/locales/communication/fr.yml
@@ -337,8 +337,11 @@ fr:
                   category: Une catégorie spécifique
                   selection: Une sélection d'actualités
               posts_quantity:
-                label: Quantité d'articles à afficher
+                label: Quantité d'articles
                 placeholder: Entrer la quantité
+              category:
+                label: Catégorie
+                placeholder: Sélectionner une catégorie
           testimonials:
             description: Un ou plusieurs témoignages, avec le texte, l'auteur, sa fonction et sa photo.
             edit: