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CVE-2021-4402— Multiple Roles <= 1.3.1- Cross-Site Request Forgery Bypass

Quick assessment

Affected
cneumann Multiple Roles
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 Multiple Roles 1.3.1及之前版本存在跨站请求伪造漏洞，该漏洞源于多个函数缺少随机数验证模块，导致存在跨站请求伪造（CSRF）漏洞。

CVSS 4.3 · Medium EPSS 0.41% · P34
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I. Basic Information for CVE-2021-4402

Vulnerability Information
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Vulnerability Title
Multiple Roles <= 1.3.1- Cross-Site Request Forgery Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The Multiple Roles plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.1. This is due to missing or incorrect nonce validation on the mu_add_roles_in_signup_meta() and mu_add_roles_in_signup_meta_recently() functions. This makes it possible for unauthenticated attackers to add additional roles to users via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Plugin Multiple Roles 跨站请求伪造漏洞
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 Multiple Roles 1.3.1及之前版本存在跨站请求伪造漏洞，该漏洞源于多个函数缺少随机数验证模块，导致存在跨站请求伪造（CSRF）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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cneumann Multiple Roles * ~ 1.3.1 -

II. Public POCs for CVE-2021-4402

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III. Intelligence Information for CVE-2021-4402

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Patches & Fixes for CVE-2021-4402 (1)

Vendor Advisories for CVE-2021-4402 (1)

Security Blog Posts for CVE-2021-4402 (7)

IV. Related Vulnerabilities

Same weakness: CWE-352

V. Comments for CVE-2021-4402

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