CVE-2022-4539: web application — Fix

Description

The Web Application Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 2.1.2. 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 or country from logging in.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-348 CWE-348

CWE-345 CWE-345

Affected Products

Vendor	Product	Versions
miniorange	web_application_firewall	< 2.1.3

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3055548/web-application-firewall/trunk/helper/utility.php

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/0e99531c-8742-4f91-8525-65bb3cb06644?source=cve

Frequently Asked Questions

What is CVE-2022-4539? +

The Web Application Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 2.1.2. 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 or country from logging in. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2022-4539? +

CVE-2022-4539 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-4539? +

CVE-2022-4539 affects products from miniorange, specifically: web_application_firewall. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-4539? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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