$ 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
100_Questions GreyCatTheFlag 2023 Quals – files
1linenginx Balsn 2023 79.09 files
AMF HITCON 2023 Quals 99.75 files
ASTLIBRA RealWorld 2023 – files
AdBlog CakeCTF 2023 – files
AdminLairayOldSchool TetCTF 2023 53.89 files
Ai Codegate 2023 Quals – files
AnyFileRead WMCTF 2023 – files
Aquatic_Delights justCTF 2023 53.00 files
Art_Galery WannaGameChampionship 2023 – files
Aspiring_Calculator TU 2023 – files
Ave_Mujicas_Masquerade AzureAssassinAlliance 2023 23.80 files
Azkaban_Escape MCTF 2023 Quals – files
BCAGPT BCACTF 2023 – files
Baby_Web GreyCatTheFlag 2023 Quals – files
Blogodogo_12 HeroCTF 2023 – files
Bocchi_The_RPC_Server WannaGameChampionship 2023 – files
Bounty_the_B4r CTFZone 2023 Quals 90.90 files
CODEGATE_Music_Player Codegate 2023 Quals – files
Calculator TCP1P 2023 97.33 files
Calculator Codegate 2023 Quals – files
Canvas HITCON 2023 Quals 99.75 files
Carpe_Diem Bauhinia 2023 24.75 files
Cash BSidesAlgiers 2023 25.00 files
CatoCloud MCTF 2023 Quals – files
CelesteTunnelingAssociation angstromCTF 2023 – files
CelestialDB Hack.lu 2023 94.73 files
ChadGPT BRICS+ 2023 Quals 24.68 files
ColorBit HackersPlayground 2023 51.00 files
Counting_Stars WannaGameChampionship 2023 – files
Counting_Stars_2 WannaGameChampionship 2023 – files
Country_DB CakeCTF 2023 – files
Crush DeadSec 2023 23.96 files
CryptoMarket DanteCTF 2023 24.44 files
Curly_Fries BreakTheSyntax 2023 – files
Cute_Quote HCMUS 2023 Quals 9.42 files
Cyber_Library LakeCTF 2023 Quals – files
DUCKY_NOTES_ENDGAME TFC 2023 – files
DUCKY_NOTES_PART_3 TFC 2023 – files
Dead_or_Alive CTFZone 2023 Quals 90.90 files