How severe is CVE-2022-4539?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2022-4539 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cyberlord92 Web Application Firewall – Website Security

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.

EPSS: 0.006 (47.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2022-4539?: CVE-2022-4539 is a medium-severity vulnerability in Cyberlord92 Web Application Firewall – Website Security, classified under CWE-348. CVSS score: 5.3/10. Published 2024-08-31.
How severe is CVE-2022-4539?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2022-4539 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.