Tags: csp xss 

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# Full WriteUp
Full Writeup on our website: [http://www.aperikube.fr/docs/easyctf_2018_fumblr/](http://www.aperikube.fr/docs/easyctf_2018_fumblr/)

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# TL;DR
After finding a XSS, I manage to bypass the CSP using the raw post functionality.
Then I made a payload to exfiltrate admin’s hidden posts to my blog.

Original writeup (http://www.aperikube.fr/docs/easyctf_2018_fumblr/).