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CVE-2023-6623— Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion

Quick assessment

Affected
Unknown Essential Blocks
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 Essential Blocks 4.4.3之前版本存在安全漏洞，该漏洞源于存在本地文件包含漏洞。

AI Predicted 8.8 Difficulty: Easy EPSS 50.67% · P99

Public Exploits 1

Nuclei · 1 CVE-2023-6623.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-6623

Vulnerability Information
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Vulnerability Title
Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion
Source: CVE Program / CVE List V5
Vulnerability Description
The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Plugin Essential Blocks 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 Essential Blocks 4.4.3之前版本存在安全漏洞，该漏洞源于存在本地文件包含漏洞。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Essential Blocks 0 ~ 4.4.3 -

II. Public POCs for CVE-2023-6623

# POC Description Source Link Shenlong Link
1 Wordpress Essential Blocks plugin prior to 4.4.3 was discovered to be vulnerable to a significant Local File Inclusion vulnerability that may be exploited by any attacker, regardless of whether they have an account on the site. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6623.yaml POC Details
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III. Intelligence Information for CVE-2023-6623

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Vendor Advisories for CVE-2023-6623 (2)

Same Patch Batch · Unknown · 2024-01-15 · 13 CVEs total

CVE-2023-4925 Easy Forms for Mailchimp <= 6.8.10 - Admin+ Stored Cross-Site Scripting
CVE-2023-5905 DeMomentSomTres WordPress Export Posts With Images <= 20220825 - Subscriber+ unauthorized
CVE-2023-6066 WP Custom Widget Area <= 1.2.5 - Subscriber+ Menus Creation/Deletion/Update
CVE-2023-6050 Estatik Real Estate Plugin < 4.1.1 - Reflected XSS
CVE-2023-6991 JSM file_get_contents() Shortcode < 2.7.1 - Contributor+ SSRF
CVE-2023-6048 Estatik Real Estate Plugin < 4.1.1 - Subscriber+ Arbitrary Option Update
CVE-2023-6163 WP Crowdfunding < 2.1.10 - Admin+ Stored XSS
CVE-2023-6620 Post SMTP < 2.8.7 - Admin+ SQL Injection
CVE-2023-6029 EazyDocs < 2.3.6 - Unauthenticated Arbitrary Posts Deletion and Document Management
CVE-2023-6843 easy.jobs < 2.4.7 - Subscriber+ Arbitrary Settings Update
CVE-2023-6049 Estatik Real Estate Plugin < 4.1.1 - Unauthenticated PHP Object Injection
CVE-2023-6941 Keap Official Opt-in Forms <= 1.0.11 - Admin+ Stored XSS

IV. Related Vulnerabilities

Same product: Essential Blocks
Same vendor: Unknown

V. Comments for CVE-2023-6623

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