diff --git a/assets/src/bundles/webapp/webapp-utils.js b/assets/src/bundles/webapp/webapp-utils.js
--- a/assets/src/bundles/webapp/webapp-utils.js
+++ b/assets/src/bundles/webapp/webapp-utils.js
@@ -395,3 +395,7 @@
   swhidInputElt.setCustomValidity(customValidity);
   $(swhidInputElt).siblings('.invalid-feedback').text(customValidity);
 }
+
+export function isUserLoggedIn() {
+  return JSON.parse($('#swh_user_logged_in').text());
+}
diff --git a/cypress/integration/admin.spec.js b/cypress/integration/admin.spec.js
--- a/cypress/integration/admin.spec.js
+++ b/cypress/integration/admin.spec.js
@@ -59,6 +59,22 @@
     logout();
   });
 
+  it('should get info about a user logged in from javascript', function() {
+    cy.window().then(win => {
+      expect(win.swh.webapp.isUserLoggedIn()).to.be.false;
+    });
+    cy.adminLogin();
+    cy.visit(url);
+    cy.window().then(win => {
+      expect(win.swh.webapp.isUserLoggedIn()).to.be.true;
+    });
+    logout();
+    cy.visit(url);
+    cy.window().then(win => {
+      expect(win.swh.webapp.isUserLoggedIn()).to.be.false;
+    });
+  });
+
   it('should prevent unauthorized access after logout', function() {
     cy.visit(this.Urls.admin_origin_save())
       .location('pathname')
diff --git a/swh/web/templates/layout.html b/swh/web/templates/layout.html
--- a/swh/web/templates/layout.html
+++ b/swh/web/templates/layout.html
@@ -56,6 +56,8 @@
       swh.webapp.setSwhObjectIcons({{ swh_object_icons|jsonify }});
     </script>
 
+    {{ request.user.is_authenticated|json_script:"swh_user_logged_in" }}
+
     {% block header %}{% endblock %}
 
     <link rel="icon" href="{% static 'img/icons/swh-logo-32x32.png' %}" sizes="32x32" />