diff --git a/app/controllers/templates_uploads_controller.rb b/app/controllers/templates_uploads_controller.rb
index ea4febf0..d389bfe3 100644
--- a/app/controllers/templates_uploads_controller.rb
+++ b/app/controllers/templates_uploads_controller.rb
@@ -6,7 +6,9 @@ class TemplatesUploadsController < ApplicationController
   layout 'plain'
 
   def show
-    redirect_to root_path if params[:url].blank?
+    url_uri = Addressable::URI.parse(params[:url].to_s)
+
+    redirect_to root_path if url_uri.normalized_scheme != 'https' || url_uri.host.blank?
   end
 
   def create
diff --git a/app/views/submissions_filters/_filter_modal.html.erb b/app/views/submissions_filters/_filter_modal.html.erb
index 8794197a..b37a5dfb 100644
--- a/app/views/submissions_filters/_filter_modal.html.erb
+++ b/app/views/submissions_filters/_filter_modal.html.erb
@@ -1,5 +1,7 @@
+<% path_uri = Addressable::URI.parse(params[:path].to_s) %>
+<% path = url_for(**Rails.application.routes.recognize_path(path_uri.path, method: :get)) %>
 <%= render 'shared/turbo_modal', title: local_assigns[:title] do %>
-  <%= form_for '', url: params[:path], method: :get, data: { turbo_frame: :_top }, html: { autocomplete: :off } do |f| %>
+  <%= form_for '', url: path, method: :get, data: { turbo_frame: :_top }, html: { autocomplete: :off } do |f| %>
     <%= hidden_field_tag :q, params[:q] if params[:q].present? %>
     <% local_assigns[:default_params].each do |key, value| %>
       <%= hidden_field_tag(key, value) if value.present? %>
@@ -10,7 +12,7 @@
     </div>
     <% if params[:with_remove] %>
       <div class="text-center w-full mt-4">
-        <%= link_to t('remove_filter'), "#{params[:path]}?#{request.query_parameters.slice('q').merge(local_assigns[:default_params]).to_query}", class: 'link', data: { turbo_frame: :_top } %>
+        <%= link_to t('remove_filter'), "#{path}?#{request.query_parameters.slice('q').merge(local_assigns[:default_params]).to_query}", class: 'link', data: { turbo_frame: :_top } %>
       </div>
     <% end %>
   <% end %>