CSP to the Rescue: Leveraging the Browser for SecurityProgramming is difficult — and difficult things generally don’t have a perfect solution. As an example, cross-site scripting (XSS) is still very much unsolved. It’s very easy to think you’re doing the right thing at the right time, but there are two opportunities to fail here: the fix might not be correct, and it might not be applied correctly. Escaping content (while still the most effective way
