Server Error in '/' Application.

A potentially dangerous Request.QueryString value was detected from the client (name="<p><this but="" good...").

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 (name="<p><this but="" good...").

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 (name="<p><this but="" good...").]
   Microsoft.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +83
   Microsoft.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccess(Task task) +71
   ImageProcessor.Web.HttpModules.<PostAuthorizeRequest>d__0.MoveNext() +209
   System.Runtime.CompilerServices.<>c.<ThrowAsync>b__6_0(Object state) +54
   System.Web.LegacyAspNetSynchronizationContext.CallCallbackPossiblyUnderLock(SendOrPostCallback callback, Object state) +68


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4676.0