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CVE-2023-2437— UserPro <= 5.1.1 - Authentication Bypass to Administrator

Quick assessment

Affected
n/a UserPro - Community and User Profile WordPress Plugin
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 UserPro 5.1.1 版本及之前版本存在安全漏洞，该漏洞源于容易受到身份验证绕过。

CVSS 9.8 · Critical EPSS 6.75% · P94

Public Exploits 1

Nuclei · 1 CVE-2023-2437.yaml [template]
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I. Basic Information for CVE-2023-2437

Vulnerability Information
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Vulnerability Title
UserPro <= 5.1.1 - Authentication Bypass to Administrator
Source: CVE Program / CVE List V5
Vulnerability Description
The UserPro plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.1. This is due to insufficient verification on the user being supplied during a Facebook login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the email. An attacker can leverage CVE-2023-2448 and CVE-2023-2446 to get the user's email address to successfully exploit this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Plugin UserPro 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 UserPro 5.1.1 版本及之前版本存在安全漏洞，该漏洞源于容易受到身份验证绕过。
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
- UserPro - Community and User Profile WordPress Plugin * ~ 5.1.1 -

II. Public POCs for CVE-2023-2437

# POC Description Source Link Shenlong Link
1 None https://github.com/RxRCoder/CVE-2023-2437 POC Details
2 The UserPro plugin for WordPress through 5.1.1 allows authentication bypass via the userpro_fbconnect AJAX action. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-2437.yaml POC Details
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III. Intelligence Information for CVE-2023-2437

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Vendor Advisories for CVE-2023-2437 (1)

Exploits & Public PoCs for CVE-2023-2437 (1)

Same Patch Batch · n/a · 2023-11-22 · 36 CVEs total

CVE-2023-2449 9.8 CRITICAL UserPro <= 5.1.1 - Insecure Password Reset Mechanism
CVE-2023-6009 8.8 HIGH UserPro <= 5.1.4 - Authenticated (Subscriber+) Privilege Escalation
CVE-2023-2440 8.8 HIGH UserPro <= 5.1.1 - Cross-Site Request Forgery to Privilege Escalation
CVE-2023-2497 8.8 HIGH UserPro <= 5.1.0 - Cross-Site Request Forgery to PHP Object Injection
CVE-2023-6007 7.3 HIGH UserPro <= 5.1.1 - Missing Authorization via multiple functions
CVE-2023-2448 6.5 MEDIUM UserPro <= 5.1.4 - Missing Authorization to Arbitrary Shortcode Execution via userpro_shor
CVE-2023-2446 6.5 MEDIUM UserPro <= 5.1.1 - Sensitive Information Disclosure via Shortcode
CVE-2023-6008 6.3 MEDIUM UserPro <= 5.1.1 - Cross-Site Request Forgery via multiple functions
CVE-2023-2438 6.1 MEDIUM UserPro <= 5.1.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting via userpro_s
CVE-2023-2447 6.1 MEDIUM UserPro <= 5.1.1 - Cross-Site Request Forgery to Sensitive Information Exposure
CVE-2023-47350 SwiftyEdit CMS 安全漏洞
CVE-2023-49146 DOMSanitizer 安全漏洞
CVE-2023-47380 Admidio 安全漏洞
CVE-2023-47392 Mercedes-Benz Mercedes me 安全漏洞
CVE-2023-47393 Mercedes-Benz Mercedes me 安全漏洞
CVE-2023-47467 jeecg-boot 安全漏洞
CVE-2023-48105 WebAssembly Micro Runtime 安全漏洞
CVE-2023-48106 minizip-ng 安全漏洞
CVE-2023-48107 minizip-ng 安全漏洞
CVE-2023-48161 GIFLIB 安全漏洞

Showing top 20 of 36 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: UserPro - Community and User Profile WordPress Plugin
Same vendor: n/a
Same weakness: CWE-288

V. Comments for CVE-2023-2437

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