$ 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
Dead_or_Alive_2 CTFZone 2023 Quals 90.90 files
Deskas CTFZone 2023 Quals 90.90 files
DotNet101 ISITDTU 2023 Quals 37.00 files
Dusty_Code HackersPlayground 2023 51.00 files
ESSAMTP justCTF 2023 53.00 files
EXECpy TsukuCTF 2023 – files
EscapePlan D3CTF 2023 – files
EyangCH_Fanfic_Maker LexingtonInformaticsTournament 2023 33.53 files
FeelingTagged IrisCTF 2023 24.59 files
Flags_Shop BSidesAlgiers 2023 25.00 files
Flarenotes vsCTF 2023 23.32 files
Font_Review BuckeyeCTF 2023 34.50 files
Forza_napoli Hackappatoi 2023 – files
Galleria NewportBlakeCTF 2023 – files
GeoGuessy LakeCTF 2023 Quals – files
Giancardi_Bank Securinets 2023 Quals 65.42 files
GigaChadGPT BRICS+ 2023 Quals 24.68 files
Glacier_Exchange Glacier 2023 24.32 files
Hall_of_Fake TyphoonCon 2023 9.00 files
Hansel_and_Gretel Bauhinia 2023 24.75 files
Harmony HITCON 2023 Quals 99.75 files
HealthyCalc KalmarCTF 2023 24.21 files
Image_Gallery niteCTF 2023 – files
Injection BDSec 2023 12.23 files
Isekai_Tensei_Hakka Bauhinia 2023 24.75 files
JSFunked Summit 2023 – files
JUJUTSU_KAISEN MapleCTF 2023 24.05 files
Jasons_Baking_Services SpookyCTF 2023 22.40 files
Kill_T_Browser Bauhinia 2023 24.75 files
Latex TCP1P 2023 97.33 files
Leakless_Note SekaiCTF 2023 24.86 files
Libreria HackersPlayground 2023 51.00 files
Login_Bot GreyCatTheFlag 2023 Quals – files
Login_System HITCON 2023 Quals 99.75 files
Lottery BCACTF 2023 – files
Love_is_Blurry CYBERGON 2023 – files
LsaSecrets insomnihack 2023 Quals 21.38 files
MEMOwow TsukuCTF 2023 – files
MTA_Prices CSAW 2023 Quals 21.80 files
Magic_Cars nullconHackIM 2023 Goa – files