$ ctf42

Web CTF challenges

2,461 Web CTF challenges from 309 CTFs (2011–2026), 673 with writeups.

Top web techniques

#xss 70 #sql-injection 41 #ssti 30 #ssrf 26 #prototype-pollution 25 #path-traversal 25 #csp-bypass 23 #command-injection 21 #web 21 #filter-bypass 14 #xs-leak 14 #lfi 12 #rce 12 #race-condition 12 #css-injection 11

Challenges

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Challenge CTF Weight Has
Makima perfectblue 2023 – files
MoP Hack.lu 2023 94.73 files
MyCoolSDK IrisCTF 2023 24.59 files
MyGOs_Live AzureAssassinAlliance 2023 23.80 files
My_Bidda Srdnlen 2023 24.17 files
My_Secrets BRICS+ 2023 Quals 24.68 files
My_boss_left LexingtonInformaticsTournament 2023 33.53 files
NFTs WxMCTF 2023 – files
Naruchu ISITDTU 2023 Quals 37.00 files
Neko_Note zer0pts 2023 52.62 files
No_admin_no_problem FortID 2023 – files
Notian KITCTFCTF 2023 – files
OURspace WxMCTF 2023 – files
Ohio_Instruments_84 BuckeyeCTF 2023 34.50 files
Online_explorer CyberSecurityRumble 2023 Quals 24.80 files
OpenBio_2 CakeCTF 2023 – files
Optimized_Admin_Bot vsCTF 2023 23.32 files
Paaad Hack.lu 2023 94.73 files
Pageless_Notebook CTFZone 2023 Quals 90.90 files
PasswordHomecoming KalmarCTF 2023 24.21 files
Peak Glacier 2023 24.32 files
Perfect_Product justCTF 2023 53.00 files
Phantom justCTF 2023 53.00 files
Pinder Securinets 2023 Quals 65.42 files
Ping_Pong LexingtonInformaticsTournament 2023 33.53 files
Ping_Pong_Under_Maintenance LexingtonInformaticsTournament 2023 33.53 files
Plain_Blog zer0pts 2023 52.62 files
Pupptear ASIS 2023 Finals 89.80 files
Putlocker PlaidCTF 2023 100.00 files
Quibuu ISITDTU 2023 Quals 37.00 files
River_Crab_Extinction Bauhinia 2023 24.75 files
Sardinian_Dishes Srdnlen 2023 24.17 files
Sayeha ASIS 2023 Finals 89.80 files
Sayeha_Revenge ASIS 2023 Finals 89.80 files
ScoreShare zer0pts 2023 52.62 files
Secure_App WannaGameChampionship 2023 – files
Sentiment BuckeyeCTF 2023 34.50 files
Shafrira_Goldwasser CyberHeroines 2023 23.94 files
Shopping 24hCTF 2023 – files
SimpleCalc SECCON 2023 Quals 100.00 files