XML External Entity (XXE) Injection Courses
Pluralsight Protecting Against XML External Entity and Deserialization Attacks in ASP.NET and ASP.NET Core
Pluralsight OWASP Top 10: #3 Sensitive Data Exposure and #4 External Entities (XXE)
LinkedIn Learning OWASP Top 10 - A4:2017 - XML External Entities
Cybrary Uncle Rat's XXE Handbook
Udemy Hunting Asynchronous Vulnerabilities
44CON Information Security Conference via YouTube Finding 0days in Enterprise Web Applications
NahamSec via YouTube XML External Entity Injection
Bugcrowd via YouTube Web App Testing - XXE, Input Validation, Broken Access Control, and More XSS
Cyber Mentor via YouTube Exploiting XXE Vulnerabilities in File Parsing Functionality
Black Hat via YouTube