$ ctf42

#html-injection CTF challenges

2 CTF challenges using html-injection from 2 CTFs (2021–2025), 2 with writeups.

Web · 2

Often combined with

#local-file-read 1 #csp-bypass 1 #data-exfiltration 1 #css-injection 1

Challenges

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Challenge CTF Weight Category Has
Editor SwampCTF 2025 40.40 Web files wu 3
Flags Zh3r0 2021 – Web files wu 1