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CVE-2022-4539— Web Application Firewall <= 2.1.2 - IP Address Spoofing to Protection Mechanism Bypass

Quick assessment

Affected
cyberlord92 Web Application Firewall – website security
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Web Application Firewall 2.1.2及之前版本存在安全漏洞，该漏洞源于容易受到IP地址欺骗的攻击。

CVSS 5.3 · Medium EPSS 0.63% · P48
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I. Basic Information for CVE-2022-4539

Vulnerability Information
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Vulnerability Title
Web Application Firewall <= 2.1.2 - IP Address Spoofing to Protection Mechanism Bypass
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不可信的源
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Web Application Firewall 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Web Application Firewall 2.1.2及之前版本存在安全漏洞，该漏洞源于容易受到IP地址欺骗的攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cyberlord92 Web Application Firewall – website security * ~ 2.1.2 -

II. Public POCs for CVE-2022-4539

# POC Description Source Link Shenlong Link
1 None https://github.com/Abdurahmon3236/CVE-2022-4539 POC Details
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III. Intelligence Information for CVE-2022-4539

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IV. Related Vulnerabilities

Same product: Web Application Firewall – website security
Same vendor: cyberlord92
Same weakness: CWE-348

V. Comments for CVE-2022-4539

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