Lesson 2 — Steps to Address and Document Vulnerabilities in TYPO3 Core
Prerequisites and goals
Prerequisites
Theoretical prerequisites
This lesson assumes that you already know the following:
- Understand TYPO3 custom code security architecture and principles
- Learn comprehensive input validation and security methods
- Master secure API usage in custom TYPO3 code
- Study extension security testing and validation approaches
Practical prerequisites
Before you start this lesson, please have the following things ready:
- Implement security patterns in TYPO3 custom development
- Apply comprehensive input validation across custom code
- Create secure API implementations for custom features
- Test custom code against TYPO3 security standards
Goals
Theoretical goals
By the end of this lesson, you should know the following:
- Master TYPO3 core vulnerability assessment methods
- Learn standardized security documentation procedures in TYPO3
- Understand vulnerability reporting channels and processes
- Study core security patch verification techniques
Practical goals
By the end of this lesson, you should have completed the following:
- Document core vulnerabilities following TYPO3 security standards
- Process and report security issues through channels
- Apply vulnerability assessment techniques to core issues
- Verify and validate core security fixes