RSFirewall! <= 1.1.24 - IP Address Spoofing

6.5
Use of Less Trusted Source
CVE CVE-2021-4226
CVSS 6.5 (Medium)
Publicly Published April 13, 2022
Last Updated December 5, 2022
Researcher Daniel Ruf

Description

The RSFirewall! plugin for WordPress is vulnerable to IP Address Spoofing in versions less than and equal to 1.1.24 due to insufficient IP address validation. This makes it possible for attackers to bypass blocks and access services they should not be able to.

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Vulnerability Details for RSFirewall!

Software Type Plugin
Software Slug rsfirewall (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.1.25, or a newer patched version
Affected Version
  • <= 1.1.24
Patched Version
  • 1.1.25

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