RSFirewall! <= 1.1.24 - IP Address Spoofing

Use of Less Trusted Source
CVE CVE-2021-4226
CVSS Medium (6.5)
Publicly Published April 13, 2022
Last Updated January 22, 2024
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.

References

1 affected software package

Software Type Plugin
Software Slug rsfirewall (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.1.24
Patched Version
  • 1.1.25
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