XSS or Cross Site Scripting
Remote Code Execution
These are same things and methods almost. Lets discuss cross site scripting (XSS) and ways to prevent it.
Cross Site Scripting
Cross-site scripting (XSS) is a type of web security vulnerability typically found in web applications which allow code injection by hackers into the web pages by finding back doors and insecure and carelessly handled code. When they are done, they can execute code at your website and get your database and website private information.
Is your website secure? XSS attacks (Cross Site Scripting) provides hackers access to your website content and database. If web applications are not secure, then your entire database of sensitive information is at serious risk. Hackers are on the lookout for Cross Site Scripting (XSS) vulnerabilities in YOUR web applications. Shopping carts, forms, login pages, dynamic content are easy targets. Beat them to it and scan your web applications with Acunetix Web Vulnerability Scanner: