Tetris

spbctf

Task: Enable line_mode for your user on a tetris fan site with admin bot. Solution: SVG XSS combined with cookie tossing to bypass CSRF protection and SameSite=Lax cookies.

flask xss csrf admin_bot svg cookie_tossing selenium

cookie_tossingcsrf_bypass_via_cookie_prioritysamesite_lax_bypasssvg_xss

$ ls tags/ techniques/

flask xss csrf admin_bot svg cookie_tossing selenium

cookie_tossingcsrf_bypass_via_cookie_prioritysamesite_lax_bypasssvg_xss

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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