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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
ACL CyberOdyssey Akasec 2024 Quals – files
AIxiv AI 2024 – files
Ada_Indonesia_Coy 0xL4ugh 2024 25.00 files
Alarm_clock Ugra 2024 Quals 25.00 files
Alpaca_Poll AlpacaHack 2024 – files
Another_one ISITDTU 2024 Quals 51.00 files
BDog_nom PatriotCTF 2024 31.83 files
BUFFZONE Hack.lu 2024 100.00 files
BabyNotes openECSC 2024 round2 – files
Baby_Web GreyCatTheFlag 2024 Quals – files
Bad_old_days SAS 2024 Quals 20.72 files
BatBot L3akCTF 2024 24.43 files
BearBurger CrewCTF 2024 26.89 files
BetaMine RedShift.Eclipse2 2024 Quals 23.40 files
BlackJack WMCTF 2024 – files
Blob PatriotCTF 2024 31.83 files
Brawl_The_Heist WxMCTF 2024 23.59 files
Bypass_Backlash_Route_Exploration justCTF 2024 Quals 77.17 files
CTFtime CyberOdyssey Akasec 2024 Quals – files
CaaS AlpacaHack 2024 – files
CacheCache MidnightFlag 2024 – files
Cars_to_Cars_XSS TCP1P 2024 89.85 files
Cascade_Chaos BackdoorCTF 2024 – files
Cascade_Chaos_Revenge BackdoorCTF 2024 – files
Cash_Cache UMassCTF 2024 43.10 files
Cash_Puzzle Platypwn 2024 – files
Cat_Rater ASIS 2024 Quals 66.25 files
Cha_s_Wall Codegate 2024 Quals – files
Charlies_Angels CSAW 2024 Quals 21.80 files
ChatterBox RealWorld 2024 – files
Chatting_Service Codegate 2024 Quals – files
Chicken_Daddy COMPFEST 2024 – files
Chimera HKCERT 2024 Quals – files
Christmas_Cookie BackdoorCTF 2024 – files
Chromowana_Tecza hxp 2024 – files
ClassQuiz_Revenge HKUSTFirebird 2024 – files
Classic CyberOdyssey Akasec 2024 Quals – files
CodePaste MCTF 2024 Quals – files
Code_Sharing Wargames.MY 2024 – files
Corporate_Notes CTFZone 2024 Quals 73.82 files