Server Error in '/' Application.

A potentially dangerous Request.QueryString value was detected from the client (s="...《카톡mxm33》ソ<qьx488.сом>ρn경주2019...").

Description: ASP.NET has detected data in the request that is potentially dangerous because it might include HTML markup or script. The data might represent an attempt to compromise the security of your application, such as a cross-site scripting attack. If this type of input is appropriate in your application, you can include code in a web page to explicitly allow it. For more information, see http://go.microsoft.com/fwlink/?LinkID=212874.

Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.QueryString value was detected from the client (s="...《카톡mxm33》ソ<qьx488.сом>ρn경주2019...").

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[HttpRequestValidationException (0x80004005): A potentially dangerous Request.QueryString value was detected from the client (s="...《카톡mxm33》ソ<qьx488.сом>ρn경주2019...").]
   System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) +323
   System.Web.<>c__DisplayClass280_0.<ValidateHttpValueCollection>b__0(String key, String value) +19
   System.Web.HttpValueCollection.EnsureKeyValidated(String key) +86
   System.Web.HttpValueCollection.GetValues(Int32 index) +30
   System.Collections.Specialized.NameValueCollection.Add(NameValueCollection c) +85
   System.Web.HttpRequest.FillInParamsCollection() +28
   System.Web.HttpRequest.GetParams() +79
   System.Web.HttpRequest.get_Params() +27
   MediaLoader.WebUI.MvcApplication.IsBlocked() +183
   MediaLoader.WebUI.MvcApplication.Application_BeginRequest(Object sender, EventArgs e) +14
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +201
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +132
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0