$ 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
Pwn_the_Padoru WannaGameChampionship 2025 – files
Pwn_the_Padoru_Revenge WannaGameChampionship 2025 – files
Pwnshop PwnMe 2025 Quals 24.95 files
QnQsec_portal QnQSec 2025 24.76 files
Qoutes_App bi0sCTF 2025 95.79 files
Quandale_Dingle EHAX 2025 – files
Quantum_Paradox BITSCTF 2025 – files
Quark Platypwn 2025 – files
RTFM P3rf3ctr00t 2025 – files
Rainbow_Road GreyCatTheFlag 2025 32.92 files
Ramesses BuckeyeCTF 2025 – files
Ransom_Waifu_2 WorldWide 2025 24.48 files
Real_Christmas GPN 2025 – files
Real_Christmas_V2 GPN 2025 – files
Recipe_for_Disaster BrunnerCTF 2025 24.66 files
Red_This BYUCTF 2025 – files
Red_wEDDIng KalmarCTF 2025 33.89 files
Reflective CrewCTF 2025 38.93 files
Regection BSidesAlgiers 2025 – files
Renderer ScriptCTF 2025 – files
Research TAMUctf 2025 – files
Restricted_Proxy LINE 2025 – files
Revoked_Revenge HeroCTF 2025 – files
Ricks_gallery ASIS 2025 Finals 96.29 files
Ripples_of_Past_Reverie AmateursCTF 2025 – files
Ruler_of_the_Universe UIUCTF 2025 – files
S3cret5 Securinets 2025 Quals 70.50 files
SAML Infobahn 2025 – files
SCP_522 SAS 2025 Quals 20.72 files
SFS_V1 bi0sCTF 2025 95.79 files
SHEkssss idekCTF 2025 52.06 files
SILENTCLAIM TFC 2025 – files
SLIPPY TFC 2025 – files
SOS WannaGameChampionship 2025 – files
SPIDEY_CRAWLER TFC 2025 – files
SQLAlchemist sknbCTF 2025 – files
SU_DOTNET SUSCTF 2025 – files
SU_POP SUSCTF 2025 – files
SU_PWN SUSCTF 2025 – files
SU_sujava SUSCTF 2025 – files