How to check if you patched Log4Shell in Minecraft
If you are reading this post you are probably aware of the log4shell vulnerability that was discovered a little over a week ago. This allows any java application using the log4j logging library to execute remote code from an attacker. Paper, Forge, and Mojang were quick to patch the servers against the threat. If you are worried that your server might be vulnerable the first thing you should do is download the latest version of whatever jar you use. If you want to validate the patch worked then you can follow the rest of this guide. ...