The future internet architecture is considered as a revolutionary paradigm of network owing to its capability of extensive connectivity of various forms of computing as well as communication devices. For the purpose of establishing a connection, there are various forms of protocols associated with communication defined for network and physical layer. Unfortunately, they are not benchmarked by any authorized regularity. Therefore, these forms of networks are exposed to a significantly higher level of security threats. Cross-Scripting Attack is one such rising security concern for future internet architecture that is found very less investigated in existing times. Hence, in this aspect, the software-defined network could offer a significant security solution on the top of future internet architecture. It could offer a good balance of security and reduced communication overhead as the controller can undertake a decision about the communication route that is cost-effective as well as secured. This paper highlights a discussion about a novel access control protocol that monitors and evaluates all the incoming traffic and offers an identification process for potential threats over the switching mechanism of the software-defined network. The proposed study doesn’t make use of any form of conventional encryption mechanism and uses a middleware system in order to assess the severity of the attack. Upon identification, the adversaries are isolated from the targeted traffic safeguarding the network from a cross-scripting attack.