概要
This skill provides a comprehensive framework for conducting professional HTML injection vulnerability assessments within your development workflow. It guides users through the entire security testing lifecycle, from initial mapping of attack surfaces and testing basic payloads to executing advanced techniques like CSS injection and filter bypasses. Whether you are performing a security audit or trying to demonstrate the impact of a bug through proof-of-concept phishing forms, this skill provides the methodologies, payloads, and remediation guidance necessary to harden web applications against unauthorized content modification.