Exam NSE5_FWB_AD-8.0 Topic 1 Question 22 Discussion

Option D is the strongest SQL injection example because it uses SQL syntax with a comment marker -- to neutralize the password condition. In a vulnerable login query, that could cause the database to evaluate only the username portion and ignore the password check, creating an authentication bypass. Option C is not SQL injection; it is cross-site scripting because it executes JavaScript in the browser. Option B is fake XML-like markup and not a realistic SQL payload. Option A contains a SQL-like subquery, but it is not the best authentication-bypass pattern shown. FortiWeb's injection defenses are designed to detect SQL injection and XSS as malicious input patterns targeting application logic.