diff --git a/RubberduckWeb/RubberduckWeb/Controllers/HomeController.cs b/RubberduckWeb/RubberduckWeb/Controllers/HomeController.cs
index 62072ca..8573785 100644
--- a/RubberduckWeb/RubberduckWeb/Controllers/HomeController.cs
+++ b/RubberduckWeb/RubberduckWeb/Controllers/HomeController.cs
@@ -96,6 +96,7 @@ private async Task<IEnumerable<SyndicationItem>> GetBlogFeedItemsAsync()
         }
 
         [HttpPost]
+        [ValidateInput(false)]
         public ActionResult Indentation(IndenterSettingsModel model)
         {
             var code = model.Code;
diff --git a/RubberduckWeb/RubberduckWeb/RubberduckWeb.csproj b/RubberduckWeb/RubberduckWeb/RubberduckWeb.csproj
index 48d33b8..2ee5b48 100644
--- a/RubberduckWeb/RubberduckWeb/RubberduckWeb.csproj
+++ b/RubberduckWeb/RubberduckWeb/RubberduckWeb.csproj
@@ -63,6 +63,9 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Microsoft.Expression.Interactions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Windows.Interactivity.WPF.2.0.20525\lib\net40\Microsoft.Expression.Interactions.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.VB6.Interop.VBIDE">
       <HintPath>libs\Microsoft.VB6.Interop.VBIDE.dll</HintPath>
       <EmbedInteropTypes>False</EmbedInteropTypes>
@@ -153,6 +156,9 @@
     <Reference Include="System.Web.Abstractions" />
     <Reference Include="System.Web.Routing" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Windows.Interactivity.WPF.2.0.20525\lib\net40\System.Windows.Interactivity.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="System.Configuration" />
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
diff --git a/RubberduckWeb/RubberduckWeb/packages.config b/RubberduckWeb/RubberduckWeb/packages.config
index 2f815ef..fd25f19 100644
--- a/RubberduckWeb/RubberduckWeb/packages.config
+++ b/RubberduckWeb/RubberduckWeb/packages.config
@@ -29,6 +29,7 @@
   <package id="NLog" version="4.3.4" targetFramework="net452" />
   <package id="NLog.Schema" version="4.3.4" targetFramework="net452" />
   <package id="Respond" version="1.2.0" targetFramework="net452" />
+  <package id="System.Windows.Interactivity.WPF" version="2.0.20525" targetFramework="net452" />
   <package id="WebActivatorEx" version="2.0" targetFramework="net452" />
   <package id="WebGrease" version="1.5.2" targetFramework="net452" />
 </packages>
\ No newline at end of file