diff --git a/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap2.cshtml b/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap2.cshtml
index 8b189ae1a0..1437d4f14b 100644
--- a/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap2.cshtml
+++ b/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap2.cshtml
@@ -60,21 +60,29 @@
         JObject cfg = contentItem.config;
 
         if(cfg != null)
-            foreach (JProperty property in cfg.Properties()) {
-                attrs.Add(property.Name + "='" + property.Value.ToString() + "'");
+            foreach (JProperty property in cfg.Properties())
+            {
+                var propertyValue = HttpUtility.HtmlAttributeEncode(property.Value.ToString());
+                attrs.Add(property.Name + "=\"" + propertyValue + "\"");
             }
-                
+
         JObject style = contentItem.styles;
 
-        if (style != null) { 
-        var cssVals = new List<string>();
-        foreach (JProperty property in style.Properties())
-            cssVals.Add(property.Name + ":" + property.Value.ToString() + ";");
+        if (style != null) {
+            var cssVals = new List<string>();
+            foreach (JProperty property in style.Properties())
+            {
+                var propertyValue = property.Value.ToString();
+                if (string.IsNullOrWhiteSpace(propertyValue) == false)
+                {
+                    cssVals.Add(property.Name + ":" + propertyValue + ";");
+                }
+            }
 
-        if (cssVals.Any())
-            attrs.Add("style='" + string.Join(" ", cssVals) + "'");
+            if (cssVals.Any())
+                attrs.Add("style=\"" + HttpUtility.HtmlAttributeEncode(string.Join(" ", cssVals)) + "\"");
         }
-            
+
         return new MvcHtmlString(string.Join(" ", attrs));
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap3.cshtml b/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap3.cshtml
index e672aa2a11..7b4f602b26 100644
--- a/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap3.cshtml
+++ b/src/Umbraco.Web.UI/Views/Partials/Grid/Bootstrap3.cshtml
@@ -60,21 +60,29 @@
         JObject cfg = contentItem.config;
 
         if(cfg != null)
-            foreach (JProperty property in cfg.Properties()) {
-                attrs.Add(property.Name + "='" + property.Value.ToString() + "'");
+            foreach (JProperty property in cfg.Properties())
+            {
+                var propertyValue = HttpUtility.HtmlAttributeEncode(property.Value.ToString());
+                attrs.Add(property.Name + "=\"" + propertyValue + "\"");
             }
-                
+
         JObject style = contentItem.styles;
 
-        if (style != null) { 
-        var cssVals = new List<string>();
-        foreach (JProperty property in style.Properties())
-            cssVals.Add(property.Name + ":" + property.Value.ToString() + ";");
+        if (style != null) {
+            var cssVals = new List<string>();
+            foreach (JProperty property in style.Properties())
+            {
+                var propertyValue = property.Value.ToString();
+                if (string.IsNullOrWhiteSpace(propertyValue) == false)
+                {
+                    cssVals.Add(property.Name + ":" + propertyValue + ";");
+                }
+            }
 
-        if (cssVals.Any())
-            attrs.Add("style='" + string.Join(" ", cssVals) + "'");
+            if (cssVals.Any())
+                attrs.Add("style=\"" + HttpUtility.HtmlAttributeEncode(string.Join(" ", cssVals)) + "\"");
         }
-            
+
         return new MvcHtmlString(string.Join(" ", attrs));
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml b/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml
index 0cac4eb1ff..4408cc4322 100644
--- a/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml
+++ b/src/Umbraco.Web.UI/Views/Partials/Grid/Editors/TextString.cshtml
@@ -4,8 +4,8 @@
 @if (Model.editor.config.markup != null)
 {
     string markup = Model.editor.config.markup.ToString();
-
-    markup = markup.Replace("#value#", Model.value.ToString());
+    var umbracoHelper = new UmbracoHelper(UmbracoContext.Current);
+    markup = markup.Replace("#value#", umbracoHelper.ReplaceLineBreaksForHtml(HttpUtility.HtmlEncode(Model.value.ToString())));
     markup = markup.Replace("#style#", Model.editor.config.style.ToString());
 
     <text>