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CVE-2025-14799— Brevo - Email, SMS, Web Push, Chat, and more. <= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling

Quick assessment

Affected
neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more.
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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Brevo - Email, SMS, Web Push, Chat, and more 3.3.0及之前版本存在安全漏洞，该漏洞源于类型转换不当，可能导致未经身份验证的攻击者绕过授权检查并断开集成。

CVSS 6.5 · Medium EPSS 0.46% · P38
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I. Basic Information for CVE-2025-14799

Vulnerability Information
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Vulnerability Title
Brevo - Email, SMS, Web Push, Chat, and more. <= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling
Source: CVE Program / CVE List V5
Vulnerability Description
The Brevo - Email, SMS, Web Push, Chat, and more. plugin for WordPress is vulnerable to authorization bypass due to type juggling in all versions up to, and including, 3.3.0. This is due to the use of loose comparison (==) instead of strict comparison (===) when validating the installation ID in the `/wp-json/mailin/v1/mailin_disconnect` REST API endpoint. This makes it possible for unauthenticated attackers to disconnect the Brevo integration, delete the API key, remove all subscription forms, and reset plugin settings by sending a boolean `true` value for the `id` parameter, which bypasses the authorization check through PHP type juggling.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Brevo - Email, SMS, Web Push, Chat, and more 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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Brevo - Email, SMS, Web Push, Chat, and more 3.3.0及之前版本存在安全漏洞，该漏洞源于类型转换不当，可能导致未经身份验证的攻击者绕过授权检查并断开集成。
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
neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more. * ~ 3.3.0 -

II. Public POCs for CVE-2025-14799

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III. Intelligence Information for CVE-2025-14799

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Patches & Fixes for CVE-2025-14799 (2)

Vendor Advisories for CVE-2025-14799 (1)

IV. Related Vulnerabilities

Same product: Brevo – Email, SMS, Web Push, Chat, and more.
Same vendor: neeraj_slit
Same weakness: CWE-843

V. Comments for CVE-2025-14799

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