한 규칙이 모든 애플리케이션에 적용되는 것은 아니다. 따라서 ‘정제되지 않은 사용자 제공 데
이터를 절대
DOM
으로 전달하지 말라’는 규칙을 세울 수 있다.
사용자 제공 데이터를 가지고
DOM
을 채우도록 허용하는 것은 마땅한 방법이 없을 때를 위한
최후의 수단으로 삼아야 한다. 그러한 기능은
XSS
취약점으로 이어질 수 있으므로 다른 방법
을 먼저 찾는 것이 우선이다.
302
3
부
방어
사용자 제공 데이터를
DOM
에 반드시 전달해야 하는 경우는 가능하면 문자열 형식을 사용해
야 한다. ...
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