$ 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
grades_grades_grades DownUnderCTF 2023 46.63 files
graphoid TPCTF 2023 – files
hackedlol COMPFEST 2023 – files
hackerplate MapleCTF 2023 24.05 files
hallmark angstromCTF 2023 – files
hello_again ASIS 2023 Quals 89.80 files
hex2dec CrewCTF 2023 20.33 files
hidden-css WolvCTF 2023 24.33 files
hidden_note SECCON 2023 Quals 100.00 files
i_see_no_vulnerability pingCTF 2023 – files
ignite N1CTF 2023 97.33 files
imagexif LINE 2023 – files
index_php_ts COMPFEST 2023 – files
infinity BuckeyeCTF 2023 34.50 files
jqi zer0pts 2023 52.62 files
json_beautifier idekCTF 2023 24.56 files
kubica_shop pingCTF 2023 – files
lahoot AmateursCTF 2023 24.54 files
leakynote corCTF 2023 36.97 files
lemon-csp corCTF 2023 36.97 files
license-inject LexingtonInformaticsTournament 2023 33.53 files
love_card TCP1P 2023 97.33 files
mark4archive Securinets 2023 Quals 65.42 files
memes Balsn 2023 79.09 files
metacalc IrisCTF 2023 24.59 files
mokerview IrisCTF 2023 24.59 files
mosaic WACON 2023 Quals 25.00 files
newdiary 0CTF 2023 – files
noobgramer COMPFEST 2023 – files
noteninja GoogleCTF 2023 – files
olapinfra 0CTF 2023 – files
old-pal LINE 2023 – files
path_traversal_101 pingCTF 2023 – files
paywall idekCTF 2023 24.56 files
pdf-pal corCTF 2023 36.97 files
phphphphphp ASIS 2023 Finals 89.80 files
picoblog BRICS+ 2023 Quals 24.68 files
png-wizard-v3 HSCTF 2023 – files
pocket_app pingCTF 2023 – files
poster ASIS 2023 Quals 89.80 files