Client-side testing is an important concern when it comes to web applications. One needs not only to be worried about the ability for others to execute code within the client-side browser but also how that will affect the web server and applications. Client-side testing involves items like XSS (Cross site scripting), JavaScript execution and WebSockets to name just a few.
Client-side issues are not new but with the increased amount of attention and security being added to protect against server-side attacks, hackers have moved to client-side attacks. Client-side attacks revolve around browser-based vulnerabilities that result from unpatched browsers, or zero-day vulnerabilities. Using the web application, one can try and attack the client-side machine, and gain a foothold on that client machine to do whatever they want. It is important for not...
