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CVE-2021-34621— ProfilePress 3.0 - 3.1.3 - Unauthenticated Privilege Escalation

Quick assessment

Affected
ProfilePress ProfilePress
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是WordPress（Wordpress）基金会的一套使用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 的 ProfilePress 插件3.0.0 - 3.1.3版本存在安全漏洞，该漏洞源于~/src/Classes/RegistrationAuth.php 文件中的用户注册组件。攻击者可以利用该漏洞以管理员身份在站点上注册。

CVSS 9.8 · Critical EPSS 68.86% · P99

Public Exploits 2

ExploitDB · 1 EDB-50242 [webapps]
Nuclei · 1 CVE-2021-34621.yaml [template]
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I. Basic Information for CVE-2021-34621

Vulnerability Information
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Vulnerability Title
ProfilePress 3.0 - 3.1.3 - Unauthenticated Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .
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
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用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 的 ProfilePress 插件3.0.0 - 3.1.3版本存在安全漏洞，该漏洞源于~/src/Classes/RegistrationAuth.php 文件中的用户注册组件。攻击者可以利用该漏洞以管理员身份在站点上注册。
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
ProfilePress ProfilePress 3.0.0 - 3.1.3 -

II. Public POCs for CVE-2021-34621

# POC Description Source Link Shenlong Link
1 ProfilePress 3.0 - 3.1.3 - Unauthenticated Privilege Escalation https://github.com/RandomRobbieBF/CVE-2021-34621 POC Details
2 A PoC exploit for CVE-2021-34621 - WordPress Privilege Escalation https://github.com/K3ysTr0K3R/CVE-2021-34621-EXPLOIT POC Details
3 None https://github.com/navreet1425/CVE-2021-34621 POC Details
4 ProfilePress WordPress plugin is susceptible to a vulnerability in the user registration component in the ~/src/Classes/RegistrationAuth.php file that makes it possible for users to register on sites as an administrator. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-34621.yaml POC Details
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III. Intelligence Information for CVE-2021-34621

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Vendor Advisories for CVE-2021-34621 (1)

Same Patch Batch · ProfilePress · 2021-07-07 · 4 CVEs total

CVE-2021-34622 9.8 CRITICAL ProfilePress 3.0 - 3.1.3 - Authenticated Privilege Escalation
CVE-2021-34623 9.8 CRITICAL ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in Image Uploader Component
CVE-2021-34624 9.8 CRITICAL ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in File Uploader Component

IV. Related Vulnerabilities

Same product: ProfilePress
Same vendor: ProfilePress
Same weakness: CWE-269

V. Comments for CVE-2021-34621

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