Case Study: Are CSRF Tokens Sufficient in Preventing CSRF Attacks?
Apr 01, 2025
Web Security / GDPR Compliance
Explore how relying on CSRF tokens as a security measure against CSRF attacks is a recommended best practice, but in some cases, they are simply not enough. Introduction As per the Open Web Application Security Project (OWASP), CSRF vulnerabilities are recognized as a significant threat and are historically part of their top risks. The implications of CSRF attacks are far-reaching and could lead to critical security implications, such as: Unauthorized actions : Attackers can trick users into executing unwanted actions on websites where they're authenticated. For example, changing account settings, making purchases, or transferring funds. Identity exploitation : The attack works by exploiting the victim's authenticated session, making the application unable to distinguish between legitimate user requests and forged ones. Silent execution : CSRF attacks often happen without the victim's knowledge as they can be hidden in seemingly innocent links, images, or embedded c...