CVE-2023-6520— WP 2FA – Two-factor authentication for WordPress <= 2.5.0 - Cross-Site Request Forgery
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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IV. Related Vulnerabilities
Same vendor: melapress
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MelaPress Login Security 2.1.0 - 2.1.1 - Authentication Bypa - CVE-2025-3702
WordPress Melapress File Monitor plugin < 2.2.0 - Broken Acc - CVE-2025-39565
WordPress MelaPress Login Security plugin <= 2.1.0 - PHP Obj
Same weakness: CWE-352
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OpenCart 3.0.3.7 Cross-Site Request Forgery via account/pass - CVE-2021-47946
OpenCart 3.0.36 Account Takeover via Cross Site Request Forg - CVE-2022-50955
WordPress Plugin Curtain 1.0.2 Cross-site Request Forgery - CVE-2026-8194
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Emlog: Cross-Site Request Forgery in Admin Functions
V. Comments for CVE-2023-6520
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