Tags: csp-bypass xss 

Rating: 4.0

# Full WriteUp

Full Writeup on our website: [http://www.aperikube.fr/docs/tjctf_2018/stupid_blog](http://www.aperikube.fr/docs/tjctf_2018/stupid_blog)

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# TL;DR

Stupid Blog was a stored XSS challenge, where you manage to bypass the CSP using a JPEG file.

Original writeup (http://www.aperikube.fr/docs/tjctf_2018/stupid_blog/).