diff --git a/components/TxConfirmationDialog.qml b/components/TxConfirmationDialog.qml
index dc55a6f5..1700aa0a 100644
--- a/components/TxConfirmationDialog.qml
+++ b/components/TxConfirmationDialog.qml
@@ -32,6 +32,7 @@ import QtQuick.Controls 2.2
 import QtQuick.Layouts 1.1
 
 import "../components" as MoneroComponents
+import "../js/Utils.js" as Utils
 import FontAwesome 1.0
 
 Rectangle {
@@ -306,7 +307,7 @@ Rectangle {
                             }
                             var title;
                             if (addressBookName) {
-                                title = FontAwesome.addressBook + " " + addressBookName;
+                                title = FontAwesome.addressBook + " " + Utils.htmlEscape(addressBookName);
                             } else {
                                 title = qsTr("Monero address") + translationManager.emptyString;
                             }
diff --git a/js/Utils.js b/js/Utils.js
index 9094ca4f..e031c78a 100644
--- a/js/Utils.js
+++ b/js/Utils.js
@@ -130,3 +130,13 @@ function parseDateStringOrRestoreHeightAsInteger(value) {
     }
     return restoreHeight;
 }
+
+function htmlEscape(s) {
+    if (s === null || s === undefined)
+        return "";
+    return String(s)
+        .replace(/&/g, "&")
+        .replace(/</g, "&lt;")
+        .replace(/>/g, "&gt;")
+        .replace(/"/g, "&quot;");
+}
diff --git a/pages/settings/SettingsLog.qml b/pages/settings/SettingsLog.qml
index ad75d6a5..efe06f0e 100644
--- a/pages/settings/SettingsLog.qml
+++ b/pages/settings/SettingsLog.qml
@@ -180,7 +180,7 @@ Rectangle {
                         consoleArea.append(msg);
                     }
                     function logMessage(msg){
-                        msg = msg.trim();
+                        msg = Utils.htmlEscape(msg.trim());
                         var color = MoneroComponents.Style.defaultFontColor;
                         if(msg.toLowerCase().indexOf('error') >= 0){
                             color = MoneroComponents.Style.errorColor;