diff --git a/src/Controller/AbstractController.php b/src/Controller/AbstractController.php
index 0b47544c..9fd50f65 100644
--- a/src/Controller/AbstractController.php
+++ b/src/Controller/AbstractController.php
@@ -207,6 +207,17 @@ abstract class AbstractController extends BaseAbstractController implements Serv
             throw new \InvalidArgumentException('handleSearchForm() requires an instanceof BaseQuery as form data');
         }
 
+        $actions = ['resetSearchFilter', 'removeDefaultQuery', 'setDefaultQuery'];
+        foreach ($actions as $action) {
+            if ($request->query->has($action)) {
+                if (!$this->isCsrfTokenValid('search', $request->query->get('_token'))) {
+                    $this->flashError('action.csrf.error');
+
+                    return false;
+                }
+            }
+        }
+
         if ($request->query->has('resetSearchFilter')) {
             $data->resetFilter();
             $this->removeLastSearch($data);
diff --git a/src/Controller/InvoiceController.php b/src/Controller/InvoiceController.php
index 6fe96be2..790ecc7e 100644
--- a/src/Controller/InvoiceController.php
+++ b/src/Controller/InvoiceController.php
@@ -76,6 +76,13 @@ final class InvoiceController extends AbstractController
         }
 
         $query = $this->getDefaultQuery();
+
+        $token = null;
+        if ($request->query->has('token')) {
+            $token = $request->query->get('token');
+            $request->query->remove('token');
+        }
+
         $form = $this->getToolbarForm($query, $configuration->find('invoice.simple_form'));
         if ($this->handleSearch($form, $request)) {
             return $this->redirectToRoute('invoice');
@@ -87,6 +94,12 @@ final class InvoiceController extends AbstractController
 
         if ($form->isValid() && $this->isGranted('create_invoice')) {
             if ($request->query->has('createInvoice')) {
+                if (!$this->isCsrfTokenValid('invoice.create', $token)) {
+                    $this->flashError('action.csrf.error');
+
+                    return $this->redirectToRoute('invoice');
+                }
+
                 try {
                     return $this->renderInvoice($query, $request);
                 } catch (Exception $ex) {
@@ -160,6 +173,18 @@ final class InvoiceController extends AbstractController
             return $this->redirectToRoute('invoice');
         }
 
+        $token = null;
+        if ($request->query->has('token')) {
+            $token = $request->query->get('token');
+            $request->query->remove('token');
+        }
+
+        if (!$this->isCsrfTokenValid('invoice.create', $token)) {
+            $this->flashError('action.csrf.error');
+
+            return $this->redirectToRoute('invoice');
+        }
+
         $query = $this->getDefaultQuery();
         $form = $this->getToolbarForm($query, $configuration->find('invoice.simple_form'));
         $form->submit($request->query->all(), false);
@@ -177,14 +202,22 @@ final class InvoiceController extends AbstractController
     }
 
     /**
-     * @Route(path="/change-status/{id}/{status}", name="admin_invoice_status", methods={"GET", "POST"})
+     * @Route(path="/change-status/{id}/{status}/{token}", name="admin_invoice_status", methods={"GET", "POST"})
      * @Security("is_granted('access', invoice.getCustomer())")
      * @Security("is_granted('create_invoice')")
      */
-    public function changeStatusAction(Invoice $invoice, string $status, Request $request): Response
+    public function changeStatusAction(Invoice $invoice, string $status, string $token, Request $request, CsrfTokenManagerInterface $csrfTokenManager): Response
     {
+        if (!$csrfTokenManager->isTokenValid(new CsrfToken('invoice.status', $token))) {
+            $this->flashError('action.csrf.error');
+
+            return $this->redirectToRoute('admin_invoice_list');
+        }
+
+        $token = $csrfTokenManager->refreshToken('invoice.status');
+
         if ($status === Invoice::STATUS_PAID) {
-            $form = $this->createPaymentDateForm($invoice, $status);
+            $form = $this->createPaymentDateForm($invoice, $status, $token->getValue());
             $form->handleRequest($request);
 
             if (!$form->isSubmitted() || !$form->isValid()) {
@@ -212,13 +245,13 @@ final class InvoiceController extends AbstractController
      */
     public function deleteInvoiceAction(Invoice $invoice, string $token, CsrfTokenManagerInterface $csrfTokenManager): Response
     {
-        if (!$csrfTokenManager->isTokenValid(new CsrfToken('invoice.delete', $token))) {
+        if (!$csrfTokenManager->isTokenValid(new CsrfToken('invoice.status', $token))) {
             $this->flashError('action.csrf.error');
 
             return $this->redirectToRoute('admin_invoice_list');
         }
 
-        $csrfTokenManager->refreshToken('invoice.delete');
+        $csrfTokenManager->refreshToken('invoice.status');
 
         try {
             $this->service->deleteInvoice($invoice);
@@ -624,13 +657,13 @@ final class InvoiceController extends AbstractController
         ]);
     }
 
-    private function createPaymentDateForm(Invoice $invoice, string $status): FormInterface
+    private function createPaymentDateForm(Invoice $invoice, string $status, string $token): FormInterface
     {
         if (null === $invoice->getPaymentDate()) {
             $invoice->setPaymentDate($this->getDateTimeFactory()->createDateTime());
         }
 
-        $url = $this->generateUrl('admin_invoice_status', ['id' => $invoice->getId(), 'status' => $status]);
+        $url = $this->generateUrl('admin_invoice_status', ['id' => $invoice->getId(), 'status' => $status, 'token' => $token]);
 
         return $this->createForm(InvoicePaymentDateForm::class, $invoice, [
             'action' => $url,
diff --git a/src/EventSubscriber/Actions/InvoiceSubscriber.php b/src/EventSubscriber/Actions/InvoiceSubscriber.php
index d277ce0d..8dfa02f3 100644
--- a/src/EventSubscriber/Actions/InvoiceSubscriber.php
+++ b/src/EventSubscriber/Actions/InvoiceSubscriber.php
@@ -31,15 +31,15 @@ class InvoiceSubscriber extends AbstractActionsSubscriber
         }
 
         if (!$invoice->isPending()) {
-            $event->addAction('invoice.pending', ['url' => $this->path('admin_invoice_status', ['id' => $invoice->getId(), 'status' => 'pending'])]);
+            $event->addAction('invoice.pending', ['url' => $this->path('admin_invoice_status', ['id' => $invoice->getId(), 'status' => 'pending', 'token' => $payload['token']])]);
         } else {
-            $event->addAction('invoice.paid', ['url' => $this->path('admin_invoice_status', ['id' => $invoice->getId(), 'status' => 'paid']), 'class' => 'modal-ajax-form']);
+            $event->addAction('invoice.paid', ['url' => $this->path('admin_invoice_status', ['id' => $invoice->getId(), 'status' => 'paid', 'token' => $payload['token']]), 'class' => 'modal-ajax-form']);
         }
 
         $allowDelete = $this->isGranted('delete_invoice');
         if (!$invoice->isCanceled()) {
             $id = $allowDelete ? 'invoice.cancel' : 'trash';
-            $event->addAction($id, ['url' => $this->path('admin_invoice_status', ['id' => $invoice->getId(), 'status' => 'canceled']), 'title' => 'invoice.cancel', 'translation_domain' => 'actions']);
+            $event->addAction($id, ['url' => $this->path('admin_invoice_status', ['id' => $invoice->getId(), 'status' => 'canceled', 'token' => $payload['token']]), 'title' => 'invoice.cancel', 'translation_domain' => 'actions']);
         }
 
         $event->addDivider();
diff --git a/templates/invoice/actions.html.twig b/templates/invoice/actions.html.twig
index d65e29e0..672c211c 100644
--- a/templates/invoice/actions.html.twig
+++ b/templates/invoice/actions.html.twig
@@ -6,7 +6,7 @@
 
 {% macro invoice(invoice, view) %}
     {% import "macros/widgets.html.twig" as widgets %}
-    {% set event = actions(app.user, 'invoice', view, {'invoice': invoice, 'token': csrf_token('invoice.delete')}) %}
+    {% set event = actions(app.user, 'invoice', view, {'invoice': invoice, 'token': csrf_token('invoice.status')}) %}
     {{ widgets.table_actions(event.actions) }}
 {% endmacro %}
 
diff --git a/templates/invoice/index.html.twig b/templates/invoice/index.html.twig
index 53ac2019..816bb93b 100644
--- a/templates/invoice/index.html.twig
+++ b/templates/invoice/index.html.twig
@@ -218,7 +218,7 @@
             const overwrites = {'customers[]': link.dataset['customer'], 'template': link.dataset['template']};
             const uri = formPlugin.convertFormDataToQueryString(document.getElementById('{{ formId }}'), overwrites);
 
-            link.href = link.dataset['href'] + '?' + uri;
+            link.href = link.dataset['href'] + '?token={{ csrf_token('invoice.create') }}&' + uri;
 
             return true;
         }
@@ -228,7 +228,7 @@
             const formPlugin = kimai.getPlugin('form');
             const uri = formPlugin.convertFormDataToQueryString(document.getElementById('{{ formId }}'));
 
-            link.href = '{{ path('invoice') }}?createInvoice=true&' + uri;
+            link.href = '{{ path('invoice') }}?token={{ csrf_token('invoice.create') }}&createInvoice=true&' + uri;
 
             return true;
         }
diff --git a/templates/macros/search.html.twig b/templates/macros/search.html.twig
index 520250c5..f616f1a8 100644
--- a/templates/macros/search.html.twig
+++ b/templates/macros/search.html.twig
@@ -40,6 +40,7 @@
 {% endmacro %}
 
 {% macro searchButton(form) %}
+    <input type="hidden" name="_token" value="{{ csrf_token('search') }}">
     <div class="btn-group">
         <button type="submit" name="performSearch" value="performSearch" class="btn btn-primary pull-left" data-type="submit">{{ 'search'|trans }}</button>
     </div>
@@ -56,7 +57,7 @@
             </button>
             <ul class="dropdown-menu">
                 <li>
-                    <a href="?removeDefaultQuery={{ form.vars.data.bookmark.name }}" id="removeDefaultQuery">{{ 'label.remove_default'|trans }}</a>
+                    <a href="?_token={{ csrf_token('search') }}&removeDefaultQuery={{ form.vars.data.bookmark.name }}" id="removeDefaultQuery">{{ 'label.remove_default'|trans }}</a>
                 </li>
             </ul>
         {% else %}
diff --git a/tests/Controller/InvoiceControllerTest.php b/tests/Controller/InvoiceControllerTest.php
index cf913b4b..80f8d156 100644
--- a/tests/Controller/InvoiceControllerTest.php
+++ b/tests/Controller/InvoiceControllerTest.php
@@ -190,7 +190,9 @@ class InvoiceControllerTest extends ControllerBaseTest
             'markAsExported' => 1,
         ];
 
-        $action = '/invoice/save-invoice/1/' . $template->getId() . '?' . http_build_query($urlParams);
+        $token = self::$container->get('security.csrf.token_manager')->getToken('invoice.create');
+
+        $action = '/invoice/save-invoice/1/' . $template->getId() . '?token=' . $token->getValue() . '&' . http_build_query($urlParams);
         $this->request($client, $action);
         $this->assertIsRedirect($client);
         $this->assertRedirectUrl($client, '/invoice/show?id=', false);
@@ -286,9 +288,11 @@ class InvoiceControllerTest extends ControllerBaseTest
         // but the datatable with all timesheets
         $this->assertDataTableRowCount($client, 'datatable_invoice', 20);
 
+        $token = self::$container->get('security.csrf.token_manager')->getToken('invoice.create');
+
         $form = $client->getCrawler()->filter('#invoice-print-form')->form();
         $node = $form->getFormNode();
-        $node->setAttribute('action', $this->createUrl('/invoice/?createInvoice=true'));
+        $node->setAttribute('action', $this->createUrl('/invoice/?createInvoice=true&token=' . $token->getValue()));
         $node->setAttribute('method', 'GET');
         $client->submit($form, [
             'template' => $template->getId(),
@@ -317,17 +321,20 @@ class InvoiceControllerTest extends ControllerBaseTest
         self::assertInstanceOf(BinaryFileResponse::class, $response);
         self::assertFileExists($response->getFile());
 
-        $this->request($client, '/invoice/change-status/' . $id . '/pending');
+        $token = self::$container->get('security.csrf.token_manager')->getToken('invoice.status');
+        $this->request($client, '/invoice/change-status/' . $id . '/pending/' . $token->getValue());
         $this->assertIsRedirect($client, '/invoice/show');
         $client->followRedirect();
         $this->assertTrue($client->getResponse()->isSuccessful());
 
-        $this->request($client, '/invoice/change-status/' . $id . '/paid');
+        $token = self::$container->get('security.csrf.token_manager')->getToken('invoice.status');
+        $this->request($client, '/invoice/change-status/' . $id . '/paid/' . $token->getValue());
         $this->assertTrue($client->getResponse()->isSuccessful());
 
+        $token = self::$container->get('security.csrf.token_manager')->getToken('invoice.status');
         $this->assertHasValidationError(
             $client,
-            '/invoice/change-status/' . $id . '/paid',
+            '/invoice/change-status/' . $id . '/paid/' . $token->getValue(),
             'form[name=invoice_payment_date_form]',
             [
                 'invoice_payment_date_form' => [
@@ -350,7 +357,8 @@ class InvoiceControllerTest extends ControllerBaseTest
         $client->followRedirect();
         $this->assertTrue($client->getResponse()->isSuccessful());
 
-        $this->request($client, '/invoice/change-status/' . $id . '/new');
+        $token = self::$container->get('security.csrf.token_manager')->getToken('invoice.status');
+        $this->request($client, '/invoice/change-status/' . $id . '/new/' . $token->getValue());
         $this->assertIsRedirect($client, '/invoice/show');
         $client->followRedirect();
         $this->assertTrue($client->getResponse()->isSuccessful());