Practice - Input Validation and Escaping
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Practice Questions
Test your understanding with targeted questions
What is the purpose of input validation?
💡 Hint: Consider why you would want to restrict user inputs.
Give an example of a character that should be escaped.
💡 Hint: Think about how these characters are used in HTML.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of input validation?
💡 Hint: Think about its role in security.
True or False: Escaping is only necessary for data presented in HTML.
💡 Hint: Consider where else injection attacks could happen.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You are developing a web application that allows users to submit their comments. Describe how you would implement both input validation and escaping to protect this feature.
💡 Hint: Think about the types of data that a comment might include.
Evaluate the security of a login form that only uses client-side validation and does not escape user inputs. What vulnerabilities might exist?
💡 Hint: Consider vectors of attack that bypass browser security.
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Reference links
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