fix: removed doubled encoding, closes #3861

Author: thorsten

phpmyfaq/src/phpMyFAQ/Controller/Administration/GlossaryController.php

@@ -76,8 +76,8 @@ public function create(Request $request): JsonResponse
         $data = json_decode($request->getContent());
 
         $glossaryLanguage = Filter::filterVar($data->language, FILTER_SANITIZE_SPECIAL_CHARS);
-        $glossaryItem = Filter::filterVar($data->item, FILTER_SANITIZE_SPECIAL_CHARS);
-        $glossaryDefinition = Filter::filterVar($data->definition, FILTER_SANITIZE_SPECIAL_CHARS);
+        $glossaryItem = $data->item;
+        $glossaryDefinition = $data->definition;
 
         if (!Token::getInstance()->verifyToken('add-glossary', $data->csrf)) {
             return $this->json(['error' => Translation::get('err_NotAuth')], Response::HTTP_UNAUTHORIZED);
@@ -102,8 +102,8 @@ public function update(Request $request): JsonResponse
 
         $glossaryId = Filter::filterVar($data->id, FILTER_VALIDATE_INT);
         $glossaryLanguage = Filter::filterVar($data->lang, FILTER_SANITIZE_SPECIAL_CHARS);
-        $glossaryItem = Filter::filterVar($data->item, FILTER_SANITIZE_SPECIAL_CHARS);
-        $glossaryDefinition = Filter::filterVar($data->definition, FILTER_SANITIZE_SPECIAL_CHARS);
+        $glossaryItem = $data->item;
+        $glossaryDefinition = $data->definition;
 
         if (!Token::getInstance()->verifyToken('update-glossary', $data->csrf)) {
             return $this->json(['error' => Translation::get('err_NotAuth')], Response::HTTP_UNAUTHORIZED);