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CVE-2023-6520— WP 2FA – Two-factor authentication for WordPress <= 2.5.0 - Cross-Site Request Forgery

Quick assessment

Affected
melapress WP 2FA – Two-factor authentication for WordPress
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 WP 2FA 2.5.0 版本及之前版本存在安全漏洞，该漏洞源于可能导致跨站请求伪造漏洞。

CVSS 4.3 · Medium EPSS 0.25% · P14
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I. Basic Information for CVE-2023-6520

Vulnerability Information
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Vulnerability Title
WP 2FA – Two-factor authentication for WordPress <= 2.5.0 - Cross-Site Request Forgery
Source: CVE Program / CVE List V5
Vulnerability Description
The WP 2FA – Two-factor authentication for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.5.0. This is due to missing or incorrect nonce validation on the send_backup_codes_email function. This makes it possible for unauthenticated attackers to send emails with arbitrary content to registered users via a forged request granted they can trick a site administrator or other registered user into performing an action such as clicking on a link. While a nonce check is present, it is only executed if a nonce is set. By omitting a nonce from the request, the check can be bypassed.
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 WP 2FA 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 WP 2FA 2.5.0 版本及之前版本存在安全漏洞，该漏洞源于可能导致跨站请求伪造漏洞。
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
melapress WP 2FA – Two-factor authentication for WordPress * ~ 2.5.0 -

II. Public POCs for CVE-2023-6520

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III. Intelligence Information for CVE-2023-6520

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Patches & Fixes for CVE-2023-6520 (2)

Vendor Advisories for CVE-2023-6520 (1)

IV. Related Vulnerabilities

Same product: WP 2FA – Two-factor authentication for WordPress
Same vendor: melapress
Same weakness: CWE-352

V. Comments for CVE-2023-6520

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