codeql/csharp/ql/test/query-tests/Security Features/CWE-502/UnsafeDeserialization/UnsafeDeserializationBad.cs

using System.Web.Script.Serialization;

class Bad
{
    public static object Deserialize(string s)
    {
        JavaScriptSerializer sr = new JavaScriptSerializer(new SimpleTypeResolver());
        // BAD
        return sr.DeserializeObject(s); // $ Alert[cs/unsafe-deserialization]
    }
}