My dnn version is 7.0.3.

I create a page with Chinese name like "測試中文".

So I got the url like this "http://localhost/測試中文.aspx".

When I click "edit content" button of HTML module, the error occured

Server Error in '/' Application.

---

A potentially dangerous Request.Path value was detected from the client (?).

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: A potentially dangerous Request.Path value was detected from the client (?).

Source Error:

Stack Trace:

[HttpException (0x80004005): A potentially dangerous Request.Path value was detected from the client (?).] System.Web.HttpRequest.ValidateInputIfRequiredByConfig() +11495643 System.Web.PipelineStepManager.ValidateHelper(HttpContext context) +184 

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

It ony happen in IE.

And I won't happen in my other site using dnn 6.2.3.