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CVE-2024-10783— MainWP Child <= 5.3.3 - Missing Authorization to Unauthenticated Privilege Escalation

Quick assessment

Affected
mainwp MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites
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 MainWP Child 5.2版本及之前版本存在安全漏洞，该漏洞源于缺少对register_site函数的授权检查而导致权限提升。

CVSS 8.1 · High EPSS 2.35% · P83

Public Exploits 1

Nuclei · 1 CVE-2024-10783.yaml [template]
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I. Basic Information for CVE-2024-10783

Vulnerability Information
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Vulnerability Title
MainWP Child <= 5.3.3 - Missing Authorization to Unauthenticated Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
The MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites plugin for WordPress is vulnerable to privilege escalation due to a missing authorization checks on the register_site function in all versions up to, and including, 5.2 when a site is left in an unconfigured state. This makes it possible for unauthenticated attackers to log in as an administrator on instances where MainWP Child is not yet connected to the MainWP Dashboard. IMPORTANT: this only affects sites who have MainWP Child installed and have not yet connected to the MainWP Dashboard, and do not have the unique security ID feature enabled. Sites already connected to the MainWP Dashboard plugin and do not have the unique security ID feature enabled, are NOT affected and not required to upgrade. Please note versions up to 5.3.3 contained a patch, though a bypass was discovered and not addressed until version 5.3.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin MainWP Child 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 MainWP Child 5.2版本及之前版本存在安全漏洞，该漏洞源于缺少对register_site函数的授权检查而导致权限提升。
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
mainwp MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites * ~ 5.2 -

II. Public POCs for CVE-2024-10783

# POC Description Source Link Shenlong Link
1 The plugin is vulnerable to an authentication bypass that allows an unauthenticated user to login as an administrator without providing a password. This vulnerability is only exploitable when the plugin has not been connected to a MainWP Dashboard and the "Require unique security ID" option is not enabled (it is disabled by default). https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-10783.yaml POC Details
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III. Intelligence Information for CVE-2024-10783

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Patches & Fixes for CVE-2024-10783 (4)

Vendor Advisories for CVE-2024-10783 (1)

Vendor Pages for CVE-2024-10783 (1)

IV. Related Vulnerabilities

Same product: MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites
Same vendor: mainwp
Same weakness: CWE-862

V. Comments for CVE-2024-10783

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