The WEB-300 course was recently updated to include modern vulnerability classes:
Chaining these vulnerabilities for maximum impact.
Spend time reading open-source GitHub repositories. Look at fixed security patches to see how vulnerabilities look in raw code.
Based on public OffSec documentation and exam reviews, the modern OSWE (post-2023) covers these advanced topics:
A shift toward multi-stage attacks, such as Server-Side Request Forgery (SSRF) and Server-Side Template Injection (SSTI) , often used to bridge web-front-end flaws to internal network compromise.












