A brief introduction to Anti-Exploits and the community recommended solutions.
Anti-Exploit plugins resolve issues such as crashes, dupes, abusive NBT etc.:::info
Some of these plugins might only be useful if you are not using the latest version of Paper.
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Panilla prevents abusive NBT and packets. Average or lenient modes recommended. Recently was found to be messing with items contained within shulkers, so test the plugin before you install it on production.
Improve the security of your Minecraft server by filtering illegal content from player created books. Although personally I would completely disable books because I don’t trust them at all, you may use this plugin instead.