<p>Someone please help me explain this</p><p><img alt="1) Each of the following code fragments contains a number of security vulnerabilities For each fragment, identify these secur" src="https://media.cheggcdn.com/media%2Fd11%2Fd1141c95-a9dc-4501-860b-b9b58996de4b%2FphpTEJcQg.png" style="height:1024px;width:747px;" aria-describedby="d3f"/><img alt="by concatenating