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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"  Inherits="ScriptInjection" ValidateRequest="false"%>



    Untitled Page


    
    <script>alert('Script Injection');</script>
  
  
    


File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class ScriptInjection : System.Web.UI.Page
{
  protected void cmdSubmit_Click(object sender, EventArgs e)
  {
    lblInfo.Text = txtInput.Text;
  }
}