XSS vulnerability
Cross-site scripting (XSS) is a type of computer security vulnerability typically found in web applications which enable malicious attackers to inject client-side script into web pages viewed by other users. An exploited cross-site scripting vulnerability can be used by attackers to bypass access controls such as the same origin policy. One common way to solve is: Ensure that parameters and user input are sanitized by doing the following: # Remove < input and replace with < # Remove > input and replace with > # Remove ' input and replace with ' # Remove " input and replace with " # Remove ) input and replace with ) # Remove ( input and replace with (