Ensures tempdata is set on our member controllers in the correct place and ensures that the RegisterModel doesn't explicitly set the RedirectUrl because we want it to be empty by default.

src/Umbraco.Web/Controllers/UmbLoginController.cs

@@ -25,6 +25,8 @@ namespace Umbraco.Web.Controllers
                 return CurrentUmbracoPage();
             }
 
+            TempData["LoginSuccess"] = true;
+
             //if there is a specified path to redirect to then use it
             if (model.RedirectUrl.IsNullOrWhiteSpace() == false)
             {
@@ -32,7 +34,7 @@ namespace Umbraco.Web.Controllers
             }
 
             //redirect to current page by default
-            TempData["LoginSuccess"] = true;
+            
             return RedirectToCurrentUmbracoPage();
             //return RedirectToCurrentUmbracoUrl();
         }

src/Umbraco.Web/Controllers/UmbLoginStatusController.cs

@@ -24,6 +24,8 @@ namespace Umbraco.Web.Controllers
                 FormsAuthentication.SignOut();
             }
 
+            TempData["LogoutSuccess"] = true;
+
             //if there is a specified path to redirect to then use it
             if (model.RedirectUrl.IsNullOrWhiteSpace() == false)
             {
@@ -31,7 +33,7 @@ namespace Umbraco.Web.Controllers
             }
 
             //redirect to current page by default
-            TempData["LogoutSuccess"] = true;            
+            
             return RedirectToCurrentUmbracoPage();
         }
     }

src/Umbraco.Web/Controllers/UmbProfileController.cs

@@ -36,14 +36,15 @@ namespace Umbraco.Web.Controllers
                 return CurrentUmbracoPage();
             }
 
+            TempData["ProfileUpdateSuccess"] = true;
+
             //if there is a specified path to redirect to then use it
             if (model.RedirectUrl.IsNullOrWhiteSpace() == false)
             {
                 return Redirect(model.RedirectUrl);
             }
 
-            //redirect to current page by default
-            TempData["ProfileUpdateSuccess"] = true;            
+            //redirect to current page by default                  
             return RedirectToCurrentUmbracoPage();
         }
     }

src/Umbraco.Web/Controllers/UmbRegisterController.cs

@@ -27,13 +27,16 @@ namespace Umbraco.Web.Controllers
             switch (status)
             {
                 case MembershipCreateStatus.Success:
+
+                    TempData["FormSuccess"] = true;
+
                     //if there is a specified path to redirect to then use it
                     if (model.RedirectUrl.IsNullOrWhiteSpace() == false)
                     {
                         return Redirect(model.RedirectUrl);
                     }
                     //redirect to current page by default
-                    TempData["FormSuccess"] = true;            
+                    
                     return RedirectToCurrentUmbracoPage();
                 case MembershipCreateStatus.InvalidUserName:
                     ModelState.AddModelError((model.UsernameIsEmail || model.Username == null)

src/Umbraco.Web/Models/RegisterModel.cs

@@ -28,7 +28,6 @@ namespace Umbraco.Web.Models
         {
             MemberTypeAlias = Constants.Conventions.MemberTypes.DefaultAlias;
             RedirectOnSucces = false;
-            RedirectUrl = "/";
             UsernameIsEmail = true;
             MemberProperties = new List<UmbracoProperty>();
             LoginOnSuccess = true;