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CVE-2021-4226

Description

RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented.

POC

Reference

- https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352

Github

- https://github.com/20142995/nuclei-templates