Server Error in '/library/app' Application.

PeterSchwarzWB · 8. Februar 2017

Ich bekomme von meinem Virenschutz seit einiger Zeit eine Benachrichtigung, hier, was die Details anzeigen

A potentially dangerous Request.Form value was detected from the client (pagetext="...">
<html xmlns=..."). 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.Form value was detected from the client (pagetext="...">
<html xmlns=...").

Source Error:

[No relevant source lines]

Source File: c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\library_app\d7d62d00\4d025e9d\App_Web_mecgaxz0.0.cs Line: 0

Stack Trace:

[HttpRequestValidationException (0x80004005): A potentially dangerous Request.Form value was detected from the client (pagetext="...">
<html xmlns=...").]
System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) +9809768
System.Web.HttpRequest.ValidateHttpValueCollection(HttpValueCollection collection, RequestValidationSource requestCollection) +194
System.Web.HttpRequest.get_Form() +50
System.Web.HttpRequest.get_HasForm() +9810059
System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) +95
System.Web.UI.Page.DeterminePostBackMode() +69
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6607
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +245
System.Web.UI.Page.ProcessRequest() +72
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +22
System.Web.UI.Page.ProcessRequest(HttpContext context) +58
ASP.default_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\library_app\d7d62d00\4d025e9d\App_Web_mecgaxz0.0.cs:0
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +188
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69

Kann mir jemand sagen, was das bedeutet und was ich machen kann?

Danke schon mal.

Hi,

willkommen im Windows Forum!

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Server Error in '/library/app' Application.

Server Error in '/library/app' Application.

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