XSRF tricks a victim's browser into performing an unwanted action on a different website where they are currently authenticated.
The article title you've referenced likely refers to the codelab, a popular hands-on tutorial for learning web application security. Overview of Google Gruyere gruyere learn web application exploits defenses top
The lab is structured around a deliberately "cheesy" and vulnerable micro-blogging application. It aims to help users: blog.google Identify common flaws : Practice finding vulnerabilities like Cross-Site Scripting (XSS) Cross-Site Request Forgery (CSRF) Access Control Understand exploitation XSRF tricks a victim's browser into performing an