CVE-2021-4226

CRITICAL CVSS: 9.8 Published: 2022-12-15 Modified: 2026-06-17

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.

Affected Platforms

Rsjoomla Rsfirewall\!

Weakness Type

NVD-CWE-noinfo, CWE-345

References