diff --git a/bridges/FeedReducerBridge.php b/bridges/FeedReducerBridge.php
index 1963b53b..613a5539 100644
--- a/bridges/FeedReducerBridge.php
+++ b/bridges/FeedReducerBridge.php
@@ -54,7 +54,7 @@ class FeedReducerBridge extends FeedExpander {
 	}
 
 	public function getName(){
-		$trimmedPercentage = preg_replace('/[^0-9]/', '', $this->getInput('percentage'));
+		$trimmedPercentage = preg_replace('/[^0-9]/', '', $this->getInput('percentage') ?? '');
 		return parent::getName() . ' [' . $trimmedPercentage . '%]';
 	}
 }
diff --git a/lib/BridgeCard.php b/lib/BridgeCard.php
index e58cddb1..ebd958fb 100644
--- a/lib/BridgeCard.php
+++ b/lib/BridgeCard.php
@@ -88,7 +88,7 @@ This bridge is not fetching its content through a secure connection</div>';
 				$form .= '<label for="'
 					. $idArg
 					. '">'
-					. filter_var($inputEntry['name'], FILTER_SANITIZE_STRING)
+					. filter_var($inputEntry['name'], FILTER_SANITIZE_FULL_SPECIAL_CHARS)
 					. '</label>'
 					. PHP_EOL;
 
@@ -102,10 +102,12 @@ This bridge is not fetching its content through a secure connection</div>';
 					$form .= self::getCheckboxInput($inputEntry, $idArg, $id);
 				}
 
-				if(isset($inputEntry['title']))
-					$form .= '<i class="info" title="' . filter_var($inputEntry['title'], FILTER_SANITIZE_STRING) . '">i</i>';
-				else
+				if(isset($inputEntry['title'])) {
+					$title_filtered = filter_var($inputEntry['title'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
+					$form .= '<i class="info" title="' . $title_filtered . '">i</i>';
+				} else {
 					$form .= '<i class="no-info"></i>';
+				}
 			}
 
 			$form .= '</div>';
@@ -153,9 +155,9 @@ This bridge is not fetching its content through a secure connection</div>';
 		. ' id="'
 		. $id
 		. '" type="text" value="'
-		. filter_var($entry['defaultValue'], FILTER_SANITIZE_STRING)
+		. filter_var($entry['defaultValue'], FILTER_SANITIZE_FULL_SPECIAL_CHARS)
 		. '" placeholder="'
-		. filter_var($entry['exampleValue'], FILTER_SANITIZE_STRING)
+		. filter_var($entry['exampleValue'], FILTER_SANITIZE_FULL_SPECIAL_CHARS)
 		. '" name="'
 		. $name
 		. '" />'