$ ctf42

#web CTF challenges

22 CTF challenges using web from 3 CTFs (2021–2025), 22 with writeups. Mostly Web (95%).

Web · 21 Pwn · 1

Often combined with

#xss 8 #csp-bypass 3 #nodejs 3 #sql-injection 3 #cookie-theft 2 #prototype-pollution 2 #rce 2 #type-confusion 2 #type-juggling 1 #sqlite-injection 1 #filter-bypass 1 #service-workers 1 #js-sandbox-escape 1 #cookie-path-bypass 1 #admin-bot 1

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Category Has
WebUtils DiceCTF 2021 24.82 Web files wu 3
MissingFlavortext DiceCTF 2021 24.82 Web files wu 3
funnylogin DiceCTF 2024 Quals 54.40 Web files wu 3
build-a-panel DiceCTF 2021 24.82 Web files wu 3
Gatekeeping CSAW 2021 Quals 20.54 Web files wu 3
WebIDE DiceCTF 2021 24.82 Web files wu 3
knock-knock DiceCTF 2022 24.82 Web files wu 3
BabierCSP DiceCTF 2021 24.82 Web files wu 3
blazingfast DiceCTF 2022 24.82 Web files wu 2
codebox DiceCTF 2023 36.70 Web files wu 2
chessrs DiceCTF 2023 36.70 Pwn files wu 2
Conspiracy_Social CyberSecurityRumble 2024 Quals 100.00 Web files wu 1
calculator DiceCTF 2024 Quals 54.40 Web files wu 1
cookie_recipes_v3 DiceCTF 2025 Quals 81.00 Web files wu 1
no-cookies DiceCTF 2022 24.82 Web files wu 1
vm-calc DiceCTF 2022 24.82 Web files wu 1
gpwaf DiceCTF 2024 Quals 54.40 Web files wu 1
jwtjail DiceCTF 2023 36.70 Web files wu 1
InternSkripting CyberSecurityRumble 2023 Quals 24.80 Web files wu 1
flare DiceCTF 2022 24.82 Web files wu 1
safestnote DiceCTF 2025 Quals 81.00 Web files wu 1
jnotes DiceCTF 2023 36.70 Web files wu 1