diff --git a/templates/ajax/editor_band_options.inc.php b/templates/ajax/editor_band_options.inc.php
index 2f19bb08..0a9a0b40 100644
--- a/templates/ajax/editor_band_options.inc.php
+++ b/templates/ajax/editor_band_options.inc.php
@@ -2,9 +2,9 @@
 <?php while ($bands->hasCurrent()) : ?>
     <?php $band = $bands->getCurrent(); ?>
     <?php if ($this->get('bandId')->get() == $band->getId()->get()) : ?>
-        <option value="<?=$band->getId()?>" selected><?=$band->getName()?></option>
+        <option value="<?=$band->getId()?>" selected><?=$band->getName()->filter()?></option>
     <?php else : ?>
-        <option value="<?=$band->getId()?>"><?=$band->getName()?></option>
+        <option value="<?=$band->getId()?>"><?=$band->getName()->filter()?></option>
     <?php endif; ?>
     <?php $bands->pointAtNext(); ?>
 <?php endwhile; ?>
diff --git a/templates/ajax/editor_city_venue.inc.php b/templates/ajax/editor_city_venue.inc.php
index 842c267c..ad33d9a7 100644
--- a/templates/ajax/editor_city_venue.inc.php
+++ b/templates/ajax/editor_city_venue.inc.php
@@ -5,7 +5,7 @@
         <option value="0"></option>
         <?php while ($cities->hasCurrent()) : ?>
             <?php $cityId = $cities->getCurrent()->getId()->get(); ?>
-            <?php $cityName = $cities->getCurrent()->getName()->get(); ?>
+            <?php $cityName = $cities->getCurrent()->getName()->filter()->get(); ?>
             <?php if ($this->get('cityId')->get() == $cities->getCurrent()->getId()->get()) : ?>
                 <?=printf(
                     '<option value="%1$u" selected="selected">%2$s</option>',
@@ -26,7 +26,7 @@
         <select id="venue_id" name="venue_id">
             <?php while ($venues->hasCurrent()) : ?>
                 <?php $venueId = $venues->getCurrent()->getId()->get(); ?>
-                <?php $venueName = $venues->getCurrent()->getName()->get(); ?>
+                <?php $venueName = $venues->getCurrent()->getName()->filter()->get(); ?>
                 <?php if ($this->get('venueId')->get() == $venues->getCurrent()->getId()->get()) : ?>
                     <?=printf(
                         '<option value="%1$u" selected="selected">%2$s</option>',
diff --git a/templates/ajax/editor_lineup.inc.php b/templates/ajax/editor_lineup.inc.php
index a8ca5762..19cb5f62 100644
--- a/templates/ajax/editor_lineup.inc.php
+++ b/templates/ajax/editor_lineup.inc.php
@@ -31,13 +31,13 @@
         <select name="band_id[]" id="band_id_<?=$lineupIndex?>" autocomplete="off" class="edit_band_id"></select>
         <label for="input_band_new_name_<?=$lineupIndex?>" class="screen_reader_only"></label>
         <input type="text"
-               value="<?=$gig->getBandNewName()?>"
+               value="<?=$gig->getBandNewName()->filter()?>"
                id="input_band_new_name_<?=$lineupIndex?>"
                class="edit_field"
                placeholder="Name of the new band">
         <label for="input_additional_information_<?=$lineupIndex?>" class="screen_reader_only">Addition</label>
         <input type="text" 
-            value="<?=$gig->getAdditionalInformation()?>"
+            value="<?=$gig->getAdditionalInformation()->filter()?>"
             id="input_additional_information_<?=$lineupIndex?>"
             class="edit_field"
             placeholder="Additional information">
diff --git a/templates/main/band.inc.php b/templates/main/band.inc.php
index 0549085e..758b9823 100644
--- a/templates/main/band.inc.php
+++ b/templates/main/band.inc.php
@@ -13,6 +13,7 @@
         <?php $data = $this->get('bands')->getCurrent(); ?>
         <form action="" class="rm_table_row">
             <?=$data->getName()
+                ->filter()
                 ->asTableInput(
                     RmString::new('name'),
                     RmString::new('Name'),
diff --git a/templates/main/city.inc.php b/templates/main/city.inc.php
index 52a39587..ef6ea3eb 100644
--- a/templates/main/city.inc.php
+++ b/templates/main/city.inc.php
@@ -13,6 +13,7 @@
         <?php $data = $this->get('cities')->getCurrent(); ?>
         <form action="" class="rm_table_row">
             <?=$data->getName()
+                ->filter()
                 ->asTableInput(
                     RmString::new('name'),
                     RmString::new('Name'),
diff --git a/templates/main/editor.inc.php b/templates/main/editor.inc.php
index 8f40371d..2704ad97 100644
--- a/templates/main/editor.inc.php
+++ b/templates/main/editor.inc.php
@@ -10,7 +10,7 @@
                 <input type="text"
                     name="name"
                     id="name"
-                    value="<?=$this->get('event')->getName()?>"
+                    value="<?=$this->get('event')->getName()->filter()?>"
                     class="edit_text"
                     placeholder="Name of the concert">
             </div>
@@ -42,7 +42,7 @@ class="edit_length"
                     name="url"
                     id="url"
                     class="edit_text"
-                    value="<?=$this->get('event')->getUrl()?>"
+                    value="<?=$this->get('event')->getUrl()->filter()?>"
                     placeholder="Link to more information"
                     required>
             </div>
diff --git a/templates/main/event.inc.php b/templates/main/event.inc.php
index 44f9709a..5f92cbda 100644
--- a/templates/main/event.inc.php
+++ b/templates/main/event.inc.php
@@ -16,10 +16,10 @@
         <?php $event = $this->get('events')->getCurrent(); ?>
         <form action="" class="rm_table_row<?=$event->getIsCanceled()->get() ? ' canceled' : ''?>">
             <?=$event->getFormattedDate()->asTableCell() ?>
-            <?=$event->getName()->asTableCell() ?>
-            <?=$event->getFormattedVenueAndCityName()->asTableCell()?>
-            <?=$event->getBandList()->asTableCell()?>
-            <?=$event->getUrl()->asWwwUrl()->asTableCell()?>
+            <?=$event->getName()->filter()->asTableCell() ?>
+            <?=$event->getFormattedVenueAndCityName()->filter()->asTableCell()?>
+            <?=$event->getBandList()->filter()->asTableCell()?>
+            <?=$event->getUrl()->filter()->asWwwUrl()->asTableCell()?>
             <?=$event->getId()->asHiddenInput(RmString::new('id'))?>
             <?=$event->getDate()->getFormatted()->asHiddenInput(RmString::new('date'))?>
             <?=RmString::new('events')
diff --git a/templates/main/venue.inc.php b/templates/main/venue.inc.php
index f89c1c39..6e91e006 100644
--- a/templates/main/venue.inc.php
+++ b/templates/main/venue.inc.php
@@ -15,14 +15,16 @@
         <?php $data = $this->get('venues')->getCurrent(); ?>
         <form action="" class="rm_table_row">
             <?=$data->getName()
+                ->filter()
                 ->asTableInput(
                     RmString::new('name'),
                     RmString::new('Name'),
                     $data->getId()
                 )->asTableCell(RmString::new('venue_name'))
             ?>
-            <?=$data->getCityName()->asTableCell() ?>
+            <?=$data->getCityName()->filter()->asTableCell() ?>
             <?=$data->getUrlDefault()
+                ->filter()
                 ->asTableInput(
                     RmString::new('url_default'),
                     RmString::new('Default Url'),
diff --git a/templates/nav_secondary/venue.inc.php b/templates/nav_secondary/venue.inc.php
index a37a6bd4..95fd160e 100644
--- a/templates/nav_secondary/venue.inc.php
+++ b/templates/nav_secondary/venue.inc.php
@@ -10,7 +10,7 @@
     <label for="filter_by">City:</label> <select id="filter_by" name="filter_by">
         <option value="">&nbsp;</option>
         <?php while ($this->get('cities')->hasCurrent()) : ?>
-            <?php $currentCity = $this->get('cities')->getCurrent()->getName()->get() ?>
+            <?php $currentCity = $this->get('cities')->getCurrent()->getName()->filter()->get() ?>
             <?php if ($currentCity == $this->get('filterByParameter')) : ?>
                 <option value="<?=$currentCity?>" selected="selected"><?=$currentCity?></option>
             <?php else : ?>
diff --git a/templates/ruhrpottmetaller-editor.inc.php b/templates/ruhrpottmetaller-editor.inc.php
index d9a2311c..0a73d463 100644
--- a/templates/ruhrpottmetaller-editor.inc.php
+++ b/templates/ruhrpottmetaller-editor.inc.php
@@ -31,7 +31,7 @@
         </main>
         <div id="spacer"></div>
         <footer>
-            Ruhrpottmetaller-Editor (c) Klaus Thorres 2023.
+            Ruhrpottmetaller-Editor (c) Klaus Thorres 2024.
             This Software is provided under the <a href="?show=license">MIT License</a>.
         </footer>
     </body>