$ ctf42

#parser-differential CTF challenges

3 CTF challenges using parser-differential from 3 CTFs (2020–2025), 3 with writeups.

Web · 3

Often combined with

#proxy-bypass 1 #xss 1

Challenges

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Challenge CTF Weight Category Has
hackme
#parser-differential
 hxp 2020 94.00 Web files wu 3
Contamination
#proxy-bypass#parser-differential
 SwampCTF 2025 40.40 Web files wu 1
CAFE
#parser-differential#xss
 Codegate 2022 Quals – Web files wu 1