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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
Requester redpwn 2021 32.61 files
Sea_of_Quills angstromCTF 2021 – files
Sea_of_Quills_2 angstromCTF 2021 – files
Secret_Store RACTF 2021 – files
SeoFtw_Revenge FwordCTF 2021 24.42 files
Sequence_as_a_Service_1 SECCON 2021 – files
Sequence_as_a_Service_2 SECCON 2021 – files
SodaFactory IJCTF 2021 – files
Spoofy angstromCTF 2021 – files
SpringMVC1 Tenable 2021 22.37 files
Starlights_File_Saver MCTF 2021 Quals – files
Super_Quantum_League ImaginaryCTF 2021 – files
Superfund Shakti 2021 25.00 files
TBDXSS perfectblue 2021 – files
Unsafe_Math THCon 2021 – files
Vault perfectblue 2021 – files
Vulnerabilities SECCON 2021 – files
Watered_Down_Watermark_as_a_Service angstromCTF 2021 – files
Watermark-as-a-Service DiceCTF 2021 24.82 files
aMAZEing-challenge ImaginaryCTF 2021 – files
af2 ASIS 2021 Quals 89.22 files
alexfanclub LexingtonInformaticsTournament 2021 23.87 files
alleschat ALLES 2021 – files
arthursarticle InCTF 2021 70.41 files
baby-jinjail idekCTF 2021 24.56 files
baby_web BSidesNoida 2021 24.46 files
baby_web_revenge BSidesNoida 2021 24.46 files
babysandbox LINE 2021 – files
babyweb LINE 2021 – files
bettercatalog BSidesAhmedabad 2021 25.00 files
boocommerce ALLES 2021 – files
bypass L3HCTF 2021 22.50 files
classic ASIS 2021 Finals 89.22 files
code_review OMH 2021 – files
curly_fries BuckeyeCTF 2021 24.81 files
digits TsukuCTF 2021 – files
doublecheck LINE 2021 – files
drinkme corCTF 2021 24.92 files
entrance BSidesAhmedabad 2021 25.00 files
escalator idekCTF 2021 24.56 files