include::../description.adoc[] include::../ask-yourself.adoc[] include::../recommended.adoc[] == Sensitive Code Example For example In C# you can specify the HttpOnly flag for https://docs.microsoft.com/en-us/dotnet/api/system.web.httpcookie?view=netframework-4.8[HttpCookie] object. ---- HttpCookie myCookie = new HttpCookie("Sensitive cookie"); myCookie.HttpOnly = false; // Sensitive: this sensitive cookie is created with the httponly flag set to false and so it can be stolen easily in case of XSS vulnerability ---- The https://docs.microsoft.com/en-us/dotnet/api/system.web.httpcookie.httponly?view=netframework-4.8[default value] of ``secure`` flag is false: ---- HttpCookie myCookie = new HttpCookie("Sensitive cookie"); // Sensitive: this sensitive cookie is created with the httponly flag not defined (by default set to false) and so it can be stolen easily in case of XSS vulnerability ---- == Compliant Solution ---- HttpCookie myCookie = new HttpCookie("Sensitive cookie"); myCookie.HttpOnly = true; // Compliant: the sensitive cookie is protected against theft thanks to the HttpOnly property set to true (HttpOnly = true) ---- include::../see.adoc[]