Hacks are supposed to be quick and dirty solutions to immediate problems. As such applying coding standards to them is not appropriate. It is up to each individual add-on author to decide what level of skill they want to apply their work when it is released.
On the flipside it is up the forum owner to guarantee the safety and security of their site. If they are going to be applying hacks and addons then they should educate themselves in how to do so safely.
It is not up to the volunteers of this site to review and secure every line of code. There should be enough peer review to handle that without making it an official requirement.
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