$ ctf42

#prototype-pollution CTF challenges

15 CTF challenges using prototype-pollution from 14 CTFs (2021–2025), 15 with writeups.

Web · 15

Often combined with

#xss 2 #web 2 #ssrf 2 #dom-clobbering 1 #rce-gadget 1 #nodejs 1 #cve-2022-21824 1 #proxy 1 #nodejs-vm 1 #race-condition 1 #rce 1 #sandbox-escape 1 #wasm 1 #url-parsing-bypass 1 #xs-leak 1

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Category Has
funnylogin DiceCTF 2024 Quals 54.40 Web files wu 3
illusion Pwn2Win 2021 83.41 Web files wu 3
ImageServicesViewer TetCTF 2023 53.89 Web files wu 2
Wowza PlaidCTF 2021 99.64 Web files wu 2
sanity AmateursCTF 2023 24.54 Web files wu 2
styleme corCTF 2021 24.92 Web files wu 1
vm-calc DiceCTF 2022 24.82 Web files wu 1
giita TSG 2021 – Web files wu 1
Captivating_Canvas_Contraption SekaiCTF 2025 55.00 Web files wu 1
2linenodejs Balsn 2022 53.42 Web files wu 1
panda_memo CakeCTF 2022 – Web files wu 1
Positive_Players justCTF 2025 97.20 Web files wu 1
Prisoner_Processor DownUnderCTF 2024 68.04 Web files wu 1
BLADE_RUNNER MapleCTF 2023 24.05 Web files wu 1
fancy-notes idekCTF 2021 24.56 Web files wu 1