FluentAuth <= 1.0.1 - IP Spoofing to Protection Mechanism Bypass
Strategic Overview
- Status
- Patched in 1.0.2
- Affected Version
<= 1.0.1- CVSS
- 6.5Medium
- Weakness type
- CWE-348 · Use of Less Trusted Source
- CVE
CVE-2022-4746
At a glance
CVE-2022-4746 is a medium-severity Use of Less Trusted Source vulnerability in the FluentAuth WordPress plugin, affecting versions <= 1.0.1. It carries a CVSS score of 6.5 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.0.2; sites on affected versions should update now. Disclosed December 2022, reported by Daniel Ruf.
Vulnerability Overview
The FluentAuth plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.0.1. This is due to insufficient restrictions on where the IP Address information is being retrieved for request logging and login restrictions. Attackers can supply the X-Forwarded-For header with with a different IP Address that will be logged and can be used to bypass settings that may have blocked out an IP address.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.
CWE-348: Use of Less Trusted Source
The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.
Remediation
Update to version 1.0.2, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to FluentAuth: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: FluentAuth 1.0.2 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Other vulnerabilities in FluentAuth – The Ultimate Authorization & Security Plugin for WordPress
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C