diff --git a/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart b/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
index 2b0f44468..59ef80dd5 100644
--- a/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
+++ b/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
@@ -385,11 +385,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb>
     }
   }
 
-  String _getRandString(int len) {
-    var random = math.Random.secure();
-    var values = List<int>.generate(len, (i) => random.nextInt(255));
-    return base64UrlEncode(values);
-  }
+
 
   String _generateHtmlDocument(String content) {
     final webViewActionScripts = '''
@@ -531,7 +527,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb>
   }
 
   void _setUpWeb() {
-    _createdViewId = _getRandString(10);
+    _createdViewId = HtmlUtils.getRandString(10);
     _htmlData = _generateHtmlDocument(widget.contentHtml);
 
     _webInit = Future.value(true);
diff --git a/core/lib/utils/html/html_utils.dart b/core/lib/utils/html/html_utils.dart
index 370137532..8b6d60960 100644
--- a/core/lib/utils/html/html_utils.dart
+++ b/core/lib/utils/html/html_utils.dart
@@ -48,7 +48,7 @@ class HtmlUtils {
       editor.parentNode.replaceChild(newEditor, editor);''',
     name: 'unregisterDropListener');
 
-  static const registerSelectionChangeListener = (
+  static ({String name, String script})registerSelectionChangeListener(String viewId) => (
     script: '''
       let lastSelectedText = '';
 
@@ -58,6 +58,7 @@ class HtmlUtils {
           window.parent.postMessage(
             JSON.stringify({
               ...data,
+              viewId: '$viewId',
               name: 'onSelectionChange',
             }),
             "*"
@@ -902,4 +903,10 @@ class HtmlUtils {
       }
     }
   }
+
+  static String getRandString(int len) {
+    var random = Random.secure();
+    var values = List<int>.generate(len, (i) => random.nextInt(255));
+    return base64UrlEncode(values);
+  }
 }
diff --git a/lib/features/composer/presentation/widgets/mobile/mobile_editor_widget.dart b/lib/features/composer/presentation/widgets/mobile/mobile_editor_widget.dart
index d4c8c2def..79daaa71a 100644
--- a/lib/features/composer/presentation/widgets/mobile/mobile_editor_widget.dart
+++ b/lib/features/composer/presentation/widgets/mobile/mobile_editor_widget.dart
@@ -37,6 +37,13 @@ class MobileEditorWidget extends StatefulWidget {
 class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMixin {
 
   HtmlEditorApi? _editorApi;
+  late String _createdViewId;
+
+  @override
+  void initState() {
+    super.initState();
+    _createdViewId = HtmlUtils.getRandString(10);
+  }
 
   @override
   void Function(TextSelectionData?)? get onSelectionChanged => widget.onTextSelectionChanged;
@@ -45,8 +52,11 @@ class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMix
     final webViewController = _editorApi?.webViewController;
     if (webViewController == null) return;
 
+    final registerSelectionChange =
+        HtmlUtils.registerSelectionChangeListener(_createdViewId);
+
     webViewController.addJavaScriptHandler(
-      handlerName: HtmlUtils.registerSelectionChangeListener.name,
+      handlerName: registerSelectionChange.name,
       callback: (args) {
         if (!mounted) return;
 
@@ -58,7 +68,7 @@ class _MobileEditorState extends State<MobileEditorWidget> with TextSelectionMix
     );
 
     await webViewController.evaluateJavascript(
-      source: HtmlUtils.registerSelectionChangeListener.script,
+      source: registerSelectionChange.script,
     );
   }
 
diff --git a/lib/features/composer/presentation/widgets/web/web_editor_widget.dart b/lib/features/composer/presentation/widgets/web/web_editor_widget.dart
index aa3f3bfc8..a0e177d0f 100644
--- a/lib/features/composer/presentation/widgets/web/web_editor_widget.dart
+++ b/lib/features/composer/presentation/widgets/web/web_editor_widget.dart
@@ -91,14 +91,20 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
   double _signatureTooltipLeft = 0;
   bool _signatureTooltipReady = false;
 
+  late String _createdViewId;
+
   @override
   void Function(TextSelectionData?)? get onSelectionChanged => widget.onTextSelectionChanged;
 
   @override
   void initState() {
     super.initState();
+    _createdViewId = HtmlUtils.getRandString(10);
     _editorController = widget.editorController;
-  
+
+    final registerSelectionChange =
+    HtmlUtils.registerSelectionChangeListener(_createdViewId);
+
     _editorListener = (event) {
       try {
         if (event is MessageEvent) {
@@ -106,7 +112,8 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
 
           if (data['name'] == HtmlUtils.registerDropListener.name) {
             _editorController.evaluateJavascriptWeb(HtmlUtils.removeLineHeight1px.name);
-          } else if (data['name'] == HtmlUtils.registerSelectionChangeListener.name) {
+          } else if (data['name'] == registerSelectionChange.name
+              && data['viewId'] == _createdViewId) {
             handleSelectionChange(data);
           }
         }
@@ -182,8 +189,8 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
             script: HtmlUtils.unregisterDropListener.script,
           ),
           WebScript(
-            name: HtmlUtils.registerSelectionChangeListener.name,
-            script: HtmlUtils.registerSelectionChangeListener.script,
+            name: HtmlUtils.registerSelectionChangeListener(_createdViewId).name,
+            script: HtmlUtils.registerSelectionChangeListener(_createdViewId).script,
           ),
           WebScript(
             name: HtmlUtils.collapseSelectionToEnd.name,
@@ -209,7 +216,7 @@ class _WebEditorState extends State<WebEditorWidget> with TextSelectionMixin {
             _editorController.evaluateJavascriptWeb(
               HtmlUtils.registerDropListener.name);
             _editorController.evaluateJavascriptWeb(
-              HtmlUtils.registerSelectionChangeListener.name);
+              HtmlUtils.registerSelectionChangeListener(_createdViewId).name);
             _editorListenerRegistered = true;
           }
         },