2025weight 66.02[sqrt (-1) + 1]

ImaginaryCTF 2025

6 challenges with 9 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.

Full task list on CTFtime

Web6

Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.

Solve it with:JWT decoder and signature verifier JWT alg=none bypass generator Web attack payload catalog JWT secret brute force Learn: Web attacks and session tokens

web imaginary-notes
100 pts2 writeups
- imaginary-ctf
- web
- supabase
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
web passwordless
100 pts2 writeups
- imaginary-ctf
- web
- bcrypt
- nodejs
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
web/ pearl
100 pts2 writeups
- imaginary-ctf
- pearl
- web
- command_injection
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
pwntool
284 pts1 writeup
- imaginary-ctf
- web
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
web certificate
100 pts1 writeup
- js
- imaginary-ctf
- web
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
web codenames-1
100 pts1 writeup
- imaginary-ctf
- web
- python
- path-traversal
Same technique in picoCTF: Bithug, Secrets, Forbidden Paths

Web6

web imaginary-notes

web passwordless

web/ pearl

pwntool

web certificate

web codenames-1

Other 2025 events