To be honest, the only one of these that grabbed my attention was "Message tampering through header substitution". But in practice, I doubt it's going to be a problem.
Offtopic: is anyone else getting sick of the "x considered harmful" formula? It sounds smug, and usually entitles an article that disparages innocuous technologies.
Finally, I’d especially like to thank all the people who wrote “considered harmful” essays over the last few years. Without the degree of annoyance you collectively created, I might never have bothered to write this essay.
Similarly, "Why we did ___", "How we did ___" or "How I did ___ in ___ time" formula blog titles are starting to get on my nerves seeing how popular they are here on HN.
Offtopic: is anyone else getting sick of the "x considered harmful" formula? It sounds smug, and usually entitles an article that disparages innocuous technologies.