https://blog.mingon.dev/tags/custom-element/Recent content in Custom Element on 보안 연구 노트Hugo -- gohugo.ioko-KRThu, 04 Jun 2026 15:00:00 +0900https://blog.mingon.dev/write-up/portswigger/xss/write-up-portswigger---reflected-xss-into-html-context-with-all-tags-blocked-except-custom-ones/Thu, 04 Jun 2026 15:00:00 +0900https://blog.mingon.dev/write-up/portswigger/xss/write-up-portswigger---reflected-xss-into-html-context-with-all-tags-blocked-except-custom-ones/표준 HTML 태그가 모두 차단된 환경에서 포커스 가능한 커스텀 요소와 URL fragment를 이용하는 Reflected XSS 풀이