Nginx, a widely-used web server due to its lightweight, modular design and user-friendly configuration, is susceptible to various misconfigurations that can leave websites vulnerable to attacks. Detectify Crowdsource has identified several common Nginx misconfigurations, such as missing root locations, unsafe variable use, and misuse of directives like merge_slashes and proxy_pass, which can lead to unauthorized access or information disclosure. The article delves into specific examples of these vulnerabilities, illustrating how they can be exploited, such as the off-by-slash misconfiguration that allows access to unintended paths and unsafe variable handling that can result in cross-site scripting (XSS) and other threats. To mitigate these risks, it is essential to regularly scan for and address these misconfigurations, a service offered by Detectify through their web application scanner. By understanding and correcting these issues, web administrators can better secure their Nginx-powered sites against potential attackers.