CVE-2021-4226 – RSFirewall < 1.1.25 - IP Block Bypass

https://notcve.org/view.php?id=CVE-2021-4226

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. RSFirewall intenta identificar la dirección IP original observando diferentes encabezados HTTP. Es posible una omisión debido a la forma en que se implementa. The RSFirewall! • https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352 • CWE-348: Use of Less Trusted Source •