diff --git a/app/Http/Controllers/Admin/LinkController.php b/app/Http/Controllers/Admin/LinkController.php
index 4a3a3afcea..1188f28de3 100644
--- a/app/Http/Controllers/Admin/LinkController.php
+++ b/app/Http/Controllers/Admin/LinkController.php
@@ -86,7 +86,7 @@ class LinkController extends Controller
     public function delete(Request $request, LinkTypeRepositoryInterface $repository, LinkType $linkType)
     {
         if (!$linkType->editable) {
-            $request->session()->flash('error', (string)trans('firefly.cannot_edit_link_type', ['name' => $linkType->name]));
+            $request->session()->flash('error', (string)trans('firefly.cannot_edit_link_type', ['name' => e($linkType->name)]));
 
             return redirect(route('admin.links.index'));
         }
@@ -143,7 +143,7 @@ class LinkController extends Controller
     public function edit(Request $request, LinkType $linkType)
     {
         if (!$linkType->editable) {
-            $request->session()->flash('error', (string)trans('firefly.cannot_edit_link_type', ['name' => $linkType->name]));
+            $request->session()->flash('error', (string)trans('firefly.cannot_edit_link_type', ['name' => e($linkType->name)]));
 
             return redirect(route('admin.links.index'));
         }
@@ -246,7 +246,7 @@ class LinkController extends Controller
     public function update(LinkTypeFormRequest $request, LinkTypeRepositoryInterface $repository, LinkType $linkType)
     {
         if (!$linkType->editable) {
-            $request->session()->flash('error', (string)trans('firefly.cannot_edit_link_type', ['name' => $linkType->name]));
+            $request->session()->flash('error', (string)trans('firefly.cannot_edit_link_type', ['name' => e($linkType->name)]));
 
             return redirect(route('admin.links.index'));
         }
diff --git a/app/Http/Controllers/CurrencyController.php b/app/Http/Controllers/CurrencyController.php
index 45d932919b..ee89e3b4f7 100644
--- a/app/Http/Controllers/CurrencyController.php
+++ b/app/Http/Controllers/CurrencyController.php
@@ -77,7 +77,7 @@ class CurrencyController extends Controller
         /** @var User $user */
         $user = auth()->user();
         if (!$this->userRepository->hasRole($user, 'owner')) {
-            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => config('firefly.site_owner')]));
+            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => e(config('firefly.site_owner'))]));
 
             return redirect(route('currencies.index'));
         }
@@ -131,7 +131,7 @@ class CurrencyController extends Controller
         $user = auth()->user();
         if (!$this->userRepository->hasRole($user, 'owner')) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => config('firefly.site_owner')]));
+            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => e(config('firefly.site_owner'))]));
             Log::channel('audit')->info(sprintf('Tried to visit page to delete currency %s but is not site owner.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -139,7 +139,7 @@ class CurrencyController extends Controller
         }
 
         if ($this->repository->currencyInUse($currency)) {
-            $request->session()->flash('error', (string)trans('firefly.cannot_delete_currency', ['name' => $currency->name]));
+            $request->session()->flash('error', (string)trans('firefly.cannot_delete_currency', ['name' => e($currency->name)]));
             Log::channel('audit')->info(sprintf('Tried to visit page to delete currency %s but currency is in use.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -167,7 +167,7 @@ class CurrencyController extends Controller
         $user = auth()->user();
         if (!$this->userRepository->hasRole($user, 'owner')) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => config('firefly.site_owner')]));
+            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => e(config('firefly.site_owner'))]));
             Log::channel('audit')->info(sprintf('Tried to delete currency %s but is not site owner.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -175,7 +175,7 @@ class CurrencyController extends Controller
         }
 
         if ($this->repository->currencyInUse($currency)) {
-            $request->session()->flash('error', (string)trans('firefly.cannot_delete_currency', ['name' => $currency->name]));
+            $request->session()->flash('error', (string)trans('firefly.cannot_delete_currency', ['name' => e($currency->name)]));
             Log::channel('audit')->info(sprintf('Tried to delete currency %s but is in use.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -203,7 +203,7 @@ class CurrencyController extends Controller
         $user = auth()->user();
         if (!$this->userRepository->hasRole($user, 'owner')) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => config('firefly.site_owner')]));
+            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => e(config('firefly.site_owner'))]));
             Log::channel('audit')->info(sprintf('Tried to disable currency %s but is not site owner.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -211,7 +211,7 @@ class CurrencyController extends Controller
         }
 
         if ($this->repository->currencyInUse($currency)) {
-            $request->session()->flash('error', (string)trans('firefly.cannot_disable_currency', ['name' => $currency->name]));
+            $request->session()->flash('error', (string)trans('firefly.cannot_disable_currency', ['name' => e($currency->name)]));
             Log::channel('audit')->info(sprintf('Tried to disable currency %s but is in use.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -251,7 +251,7 @@ class CurrencyController extends Controller
         $user = auth()->user();
         if (!$this->userRepository->hasRole($user, 'owner')) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => config('firefly.site_owner')]));
+            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => e(config('firefly.site_owner'))]));
             Log::channel('audit')->info(sprintf('Tried to edit currency %s but is not owner.', $currency->code));
 
             return redirect(route('currencies.index'));
@@ -395,7 +395,7 @@ class CurrencyController extends Controller
         $data = $request->getCurrencyData();
         if (!$this->userRepository->hasRole($user, 'owner')) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => config('firefly.site_owner')]));
+            $request->session()->flash('error', (string)trans('firefly.ask_site_owner', ['owner' => e(config('firefly.site_owner'))]));
             Log::channel('audit')->info('Tried to update (POST) currency without admin rights.', $data);
 
             return redirect(route('currencies.index'));
diff --git a/app/Http/Controllers/Import/JobConfigurationController.php b/app/Http/Controllers/Import/JobConfigurationController.php
index 30460f3dea..20a7f0966a 100644
--- a/app/Http/Controllers/Import/JobConfigurationController.php
+++ b/app/Http/Controllers/Import/JobConfigurationController.php
@@ -77,7 +77,7 @@ class JobConfigurationController extends Controller
         $allowed = ['has_prereq', 'need_job_config'];
         if (null !== $importJob && !\in_array($importJob->status, $allowed, true)) {
             Log::error(sprintf('Job has state "%s", but we only accept %s', $importJob->status, json_encode($allowed)));
-            session()->flash('error', (string)trans('import.bad_job_status', ['status' => $importJob->status]));
+            session()->flash('error', (string)trans('import.bad_job_status', ['status' => e($importJob->status)]));
 
             return redirect(route('import.index'));
         }
@@ -127,7 +127,7 @@ class JobConfigurationController extends Controller
         // catch impossible status:
         $allowed = ['has_prereq', 'need_job_config'];
         if (null !== $importJob && !\in_array($importJob->status, $allowed, true)) {
-            session()->flash('error', (string)trans('import.bad_job_status', ['status' => $importJob->status]));
+            session()->flash('error', (string)trans('import.bad_job_status', ['status' => e($importJob->status)]));
 
             return redirect(route('import.index'));
         }
diff --git a/app/Http/Controllers/Import/PrerequisitesController.php b/app/Http/Controllers/Import/PrerequisitesController.php
index 74835d62f9..da9c5ba82c 100644
--- a/app/Http/Controllers/Import/PrerequisitesController.php
+++ b/app/Http/Controllers/Import/PrerequisitesController.php
@@ -76,7 +76,7 @@ class PrerequisitesController extends Controller
         $allowed = ['new'];
         if (null !== $importJob && !\in_array($importJob->status, $allowed, true)) {
             Log::error(sprintf('Job has state "%s" but this Prerequisites::index() only accepts %s', $importJob->status, json_encode($allowed)));
-            session()->flash('error', (string)trans('import.bad_job_status', ['status' => $importJob->status]));
+            session()->flash('error', (string)trans('import.bad_job_status', ['status' => e($importJob->status)]));
 
             return redirect(route('import.index'));
         }
@@ -129,7 +129,7 @@ class PrerequisitesController extends Controller
         $allowed = ['new'];
         if (null !== $importJob && !\in_array($importJob->status, $allowed, true)) {
             Log::error(sprintf('Job has state "%s" but this Prerequisites::post() only accepts %s', $importJob->status, json_encode($allowed)));
-            session()->flash('error', (string)trans('import.bad_job_status', ['status' => $importJob->status]));
+            session()->flash('error', (string)trans('import.bad_job_status', ['status' => e($importJob->status)]));
 
             return redirect(route('import.index'));
         }
@@ -148,7 +148,7 @@ class PrerequisitesController extends Controller
         Log::debug(sprintf('Result of storePrerequisites has message count: %d', $result->count()));
 
         if ($result->count() > 0) {
-            $request->session()->flash('error', $result->first());
+            $request->session()->flash('error', e($result->first()));
 
             // redirect back to job, if has job:
             return redirect(route('import.prerequisites.index', [$importProvider, $importJob->key ?? '']))->withInput();
diff --git a/app/Http/Controllers/PiggyBankController.php b/app/Http/Controllers/PiggyBankController.php
index 6261a88888..412d6a0f88 100644
--- a/app/Http/Controllers/PiggyBankController.php
+++ b/app/Http/Controllers/PiggyBankController.php
@@ -320,7 +320,7 @@ class PiggyBankController extends Controller
             'error',
             (string)trans(
                 'firefly.cannot_add_amount_piggy',
-                ['amount' => app('amount')->formatAnything($currency, $amount, false), 'name' => $piggyBank->name]
+                ['amount' => app('amount')->formatAnything($currency, $amount, false), 'name' => e($piggyBank->name)]
             )
         );
 
@@ -363,7 +363,7 @@ class PiggyBankController extends Controller
             'error',
             (string)trans(
                 'firefly.cannot_remove_from_piggy',
-                ['amount' => app('amount')->formatAnything($currency, $amount, false), 'name' => $piggyBank->name]
+                ['amount' => app('amount')->formatAnything($currency, $amount, false), 'name' => e($piggyBank->name)]
             )
         );
 
diff --git a/app/Http/Controllers/ProfileController.php b/app/Http/Controllers/ProfileController.php
index 472255734d..2adbaf40c3 100644
--- a/app/Http/Controllers/ProfileController.php
+++ b/app/Http/Controllers/ProfileController.php
@@ -89,7 +89,7 @@ class ProfileController extends Controller
         $loginProvider = config('firefly.login_provider');
         if ('eloquent' !== $loginProvider) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => $loginProvider]));
+            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => e($loginProvider)]));
 
             return redirect(route('profile.index'));
             // @codeCoverageIgnoreEnd
@@ -115,7 +115,7 @@ class ProfileController extends Controller
         $loginProvider = config('firefly.login_provider');
         if ('eloquent' !== $loginProvider) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => $loginProvider]));
+            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => e($loginProvider)]));
 
             return redirect(route('profile.index'));
             // @codeCoverageIgnoreEnd
@@ -200,7 +200,7 @@ class ProfileController extends Controller
         $loginProvider = config('firefly.login_provider');
         if ('eloquent' !== $loginProvider) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('warning', trans('firefly.delete_local_info_only', ['login_provider' => $loginProvider]));
+            $request->session()->flash('warning', trans('firefly.delete_local_info_only', ['login_provider' => e($loginProvider)]));
             // @codeCoverageIgnoreEnd
         }
         $title        = auth()->user()->email;
@@ -296,7 +296,7 @@ class ProfileController extends Controller
         $loginProvider = config('firefly.login_provider');
         if ('eloquent' !== $loginProvider) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => $loginProvider]));
+            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => e($loginProvider)]));
 
             return redirect(route('profile.index'));
             // @codeCoverageIgnoreEnd
@@ -350,7 +350,7 @@ class ProfileController extends Controller
         $loginProvider = config('firefly.login_provider');
         if ('eloquent' !== $loginProvider) {
             // @codeCoverageIgnoreStart
-            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => $loginProvider]));
+            $request->session()->flash('error', trans('firefly.login_provider_local_only', ['login_provider' => e($loginProvider)]));
 
             return redirect(route('profile.index'));
             // @codeCoverageIgnoreEnd
diff --git a/app/Http/Controllers/Transaction/SingleController.php b/app/Http/Controllers/Transaction/SingleController.php
index bbf82c8737..50a44d616b 100644
--- a/app/Http/Controllers/Transaction/SingleController.php
+++ b/app/Http/Controllers/Transaction/SingleController.php
@@ -396,7 +396,7 @@ class SingleController extends Controller
         // store the journal only, flash the rest.
         Log::debug(sprintf('Count of error messages is %d', $this->attachments->getErrors()->count()));
         if (\count($this->attachments->getErrors()->get('attachments')) > 0) {
-            session()->flash('error', $this->attachments->getErrors()->get('attachments'));
+            session()->flash('error', e($this->attachments->getErrors()->get('attachments')));
         }
         // flash messages
         if (\count($this->attachments->getMessages()->get('attachments')) > 0) {
@@ -463,7 +463,7 @@ class SingleController extends Controller
 
         // @codeCoverageIgnoreStart
         if (\count($this->attachments->getErrors()->get('attachments')) > 0) {
-            session()->flash('error', $this->attachments->getErrors()->get('attachments'));
+            session()->flash('error', e($this->attachments->getErrors()->get('attachments')));
         }
         if (\count($this->attachments->getMessages()->get('attachments')) > 0) {
             session()->flash('info', $this->attachments->getMessages()->get('attachments'));
diff --git a/resources/views/v1/form/assetAccountCheckList.twig b/resources/views/v1/form/assetAccountCheckList.twig
index 129dc11356..d47ea5d1e3 100644
--- a/resources/views/v1/form/assetAccountCheckList.twig
+++ b/resources/views/v1/form/assetAccountCheckList.twig
@@ -12,7 +12,7 @@
                         {% else %}
                             {{ Form.checkbox(name~'[]', id, false, options) }}
                         {% endif %}
-                        {{ account }}
+                        {{ account|escape }}
                     </label>
                 </div>
             {% endfor %}
diff --git a/resources/views/v1/import/bunq/choose-accounts.twig b/resources/views/v1/import/bunq/choose-accounts.twig
index 4d5f395f30..b43e6f3d48 100644
--- a/resources/views/v1/import/bunq/choose-accounts.twig
+++ b/resources/views/v1/import/bunq/choose-accounts.twig
@@ -64,7 +64,7 @@
                                                     {% endif %}
                                                 {% endfor %}
                                                 {% if account.status != 'ACTIVE' %}
-                                                    <li>{{ trans('import.bunq_account_status_'~account.status) }}</li>
+                                                    <li>{{ trans('import.bunq_account_status_'~account.status|escape) }}</li>
                                                 {% endif %}
                                                 {% if account.type == 'MonetaryAccountSavings' %}
                                                     <li>{{ trans('import.bunq_savings_goal', {'amount': account.savingsGoal.currency ~' '~account.savingsGoal.value,'percentage' : account.savingsGoal.percentage}) }}</li>