CVE-2022-4539: cyberlord92 web application firewall – website security
Vulnerability summary
CVE-2022-4539 is a medium (CVSS 5.3) vulnerability in cyberlord92 web application firewall – website security. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.3% of scored vulnerabilities. Fixed in 2.1.3.
Timeline
- 31-08-2024PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-345Insufficient Verification of Data AuthenticityThe product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
- CWE-348Use of Less Trusted SourceThe 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.
Affected systems
Cyberlord921 product
Miniorange1 product
- web_application_firewall< 2.1.3
Wordpress1 product
- web-application-firewall≤ 2.1.2 (fixed in 2.1.3)
3 vendors · 3 products