Christopher Ferrari

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June 5, 2025I made a cool website where you can announce whatever you want! I read about input sanitization, so now I remove any kind of characters that could be a problem :)
picoCTF
CTF
SSTI
Web Security
Python
June 4, 2025Using API documentation to find a heap dump endpoint and extract a flag from server memory.
picoCTF
CTF
Memory
Web Security
June 3, 2025Exploiting Server-Side Template Injection in a picoCTF challenge. Details on how Jinja2 templating was used for code execution.
picoCTF
CTF
SSTI
Web Security
Python