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CVE-2023-4243— FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation

Quick assessment

Affected
fullservices FULL – Cliente
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 FULL - Customer 2.2.3版本及之前版本存在代码问题漏洞，该漏洞源于授权不当，/install-plugin REST 路由存在任意文件上传问题。

CVSS 8.8 · High EPSS 0.90% · P59

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2023-4243

Vulnerability Information
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Vulnerability Title
FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation
Source: CVE Program / CVE List V5
Vulnerability Description
The FULL - Customer plugin for WordPress is vulnerable to Arbitrary File Upload via the /install-plugin REST route in versions up to, and including, 2.2.3 due to improper authorization. This allows authenticated attackers with subscriber-level permissions and above to execute code by installing plugins from arbitrary remote locations including non-repository sources onto the site, granted they are packaged as a valid WordPress plugin.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin FULL - Customer 代码问题漏洞
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 FULL - Customer 2.2.3版本及之前版本存在代码问题漏洞，该漏洞源于授权不当，/install-plugin REST 路由存在任意文件上传问题。
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
fullservices FULL – Customer * ~ 2.2.3 -

II. Public POCs for CVE-2023-4243

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III. Intelligence Information for CVE-2023-4243

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Patches & Fixes for CVE-2023-4243 (1)

Vendor Advisories for CVE-2023-4243 (1)

IV. Related Vulnerabilities

Same product: FULL – Cliente
Same vendor: fullservices
Same weakness: CWE-285

V. Comments for CVE-2023-4243

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