$ 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
Simple_WAF 0xL4ugh 2024 25.00 files
Simple_calculator L3akCTF 2024 24.43 files
Smooth_Note IERAE 2024 – files
Snake BlueHens 2024 34.05 files
Snippets CyberSpace 2024 24.83 files
So_many_flags GPN 2024 – files
Socratic_Script SpringForwardCTF 2024 22.40 files
Sok CrateCTF 2024 – files
Spectre WMCTF 2024 – files
Strict_Notes CybHackCTF 2024 – files
Sushi_Search 1337UP 2024 – files
Tagebuch XCTF-DubheCTF 2024 – files
Tammys_Tantrums niteCTF 2024 – files
Tanuki_Udon SECCON 2024 Quals – files
TeXnically_Insecure Platypwn 2024 – files
The_Genies_pwn_adventures GCC 2024 – files
The_Genies_pwn_adventures_revenge GCC 2024 – files
Timezones_Converter ASIS 2024 Finals 66.25 files
Token_auth BreakTheSyntax 2024 – files
Tot_Musica TheCyberJawaraInternational 2024 23.62 files
Treasure_Hunt AlpacaHack 2024 – files
Trendz CyberSpace 2024 24.83 files
Trendzzz CyberSpace 2024 24.83 files
Trillion_Bank SECCON 2024 Quals – files
Truth_of_NPM HITCON 2024 Quals 100.00 files
Twig_Playground CyberSpace 2024 24.83 files
Unsound UTCTF 2024 – files
Upgraded_Bakery PwnSec 2024 – files
WalframSigma m0leCon 2024 Quals 80.00 files
Warmup_2 Wargames.MY 2024 – files
WashingExtravaganza CyberSecurityRumble 2024 Quals 100.00 files
Webpage_to_PDF_2 HKCERT 2024 Quals – files
Wecat XCTF-DubheCTF 2024 – files
Wish_Cards NTUA_H4CK 2024 24.40 files
Wizards_Chamber Wargames.MY 2024 – files
Wonderful_Wicked_Wrathful_Wiretapping_Wholesale_World_Wide_Watermark_as_a_Service angstromCTF 2024 – files
WordMarket Wargames.MY 2024 – files
Workout_Planner Hack.lu 2024 100.00 files
Yet_another_note_taking_app MCTF 2024 Quals – files
YourWA WMCTF 2024 – files