Introducing the URL validation bypass cheat sheet
Summary
This article introduces a cheat sheet focused on URL validation bypasses, a common vulnerability. These bypasses are the underlying cause of many security flaws, including Server-Side Request Forgery (SSRF), CORS misconfigurations, and open redirects.
IFF Assessment
FOE
The article details vulnerabilities that attackers can exploit, making it bad news for defenders.
Defender Context
Defenders need to be aware of how URL validation bypasses can be exploited to trigger various vulnerabilities. Implementing robust validation mechanisms and staying updated on bypass techniques is crucial for preventing attacks like SSRF and open redirects.