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Challenges

Category
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Higher weight ≈ harder, more prestigious event.
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2461 challenges · browse all techniques

Challenge CTF Weight Category Has
Upload_it
#php-session-deserialization#pop-chain
 SCTF 2021 – Web files wu 1
Upload_it_2
#php-session-deserialization#pop-chain
 SCTF 2021 – Web files wu 1
Mixed Securinets 2021 Quals 41.71 Web files wu 1
welcome_to_tsgctf TSG 2021 – Web files wu 1
Cr0wnAir
#jwt#algorithm-confusion
 Union 2021 24.34 Web files wu 3
penny_wise VolgaCTF 2021 Quals 32.73 Web files wu 1
sparta Zh3r0 2021 – Web files wu 3
WYSIWYG
#wysiwyg-editor#xss
 perfectblue 2021 – Web files wu 1
Scratchpad
#xs-search
 Dragon 2020 98.00 Web files wu 2
harmony_chat
#deserialization
 Dragon 2020 98.00 Web files wu 2
Keith Logger
#browser-extension#mongodb
 HSCTF 2019 – Web files src
Palimpsest_Vault 0xV01D 2026 V2 19.48 Web files
Elysias_Bakery BITSCTF 2026 – Web files
SafePaste BITSCTF 2026 – Web files
rusty_proxy BITSCTF 2026 – Web files
Be_a_Legend BKCTF 2026 – Web files
Tiny_SQL BKCTF 2026 – Web files
Tiny_SQL_2 BKCTF 2026 – Web files
WayWayback_Machine BKCTF 2026 – Web files
My_Cat_Website BYUCTF 2026 – Web files
on_point BYUCTF 2026 – Web files
Vibechat Bhackari 2026 – Web files
Wake_Up_Call Bhackari 2026 – Web files
bawker BlueHens 2026 44.77 Web files
screengrab BlueHens 2026 44.77 Web files
Fair_Gambling BrunnerCTF 2026 24.66 Web files
Technical_Debt BrunnerCTF 2026 24.66 Web files
CPCTF_Market CPCTF 2026 – Web files
Hidden_Recipe CPCTF 2026 – Web files
Lets_remove_the_script_tag. CPCTF 2026 – Web files
Physical_CTF CPCTF 2026 – Web files
Template_Playground CPCTF 2026 – Web files
Z CPCTF 2026 – Web files
tar_me CPCTF 2026 – Web files
ASS CSCG 2026 – Web files
Innovation_at_Work CSCG 2026 – Web files
Knowledge_Base CSCG 2026 – Web files
Domain_Expansion CTF@AC 2026 Quals – Web files
sea_shell CTF@AC 2026 Quals – Web files
diceminer DiceCTF 2026 Quals 100.00 Web files