CVE-2021-4226

RSFirewall! <= 1.1.24 - IP Address Spoofing

mediumUse of Less Trusted Source

6.5

CVSS Score

6.5

CVSS Score

medium

Severity

1.1.25

Patched in

650d

Time to patch

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.

CVSS Vector Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Low

Confidentiality

Low

Integrity

None

Availability

Technical Details

Affected versions<=1.1.24

PublishedApril 13, 2022

Last updatedJanuary 22, 2024

Affected pluginrsfirewall

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/64f43aee-01ee-4fbb-a174-966ed3c06b21?source=api-prod

Check if your site is affected.

Run a free security audit to detect vulnerable plugins, outdated versions, and misconfigurations.

Run free audit Browse CVE database