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CVE-2026-4683— Smartcat Translator for WPML <= 3.1.77 - Missing Authorization to Unauthenticated Plugin Settings Update

Quick assessment

Affected
smartcatai Smartcat Translator for WPML
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 Smartcat Translator for WPML 3.1.77及之前版本存在安全漏洞，该漏洞源于routeData REST端点缺少权限检查，可能导致未认证攻击者覆盖插件Smartcat API凭据，劫持翻译

CVSS 6.5 · Medium EPSS 0.46% · P38

Affected Version Matrix 1

VendorProduct Version RangeStatus
smartcatai Smartcat Translator for WPML ≤ 3.1.77 affected
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I. Basic Information for CVE-2026-4683

Vulnerability Information
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Vulnerability Title
Smartcat Translator for WPML <= 3.1.77 - Missing Authorization to Unauthenticated Plugin Settings Update
Source: CVE Program / CVE List V5
Vulnerability Description
The Smartcat Translator for WPML plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'routeData' REST endpoint in all versions up to, and including, 3.1.77. This makes it possible for unauthenticated attackers to overwrite the plugin's Smartcat API credentials (account ID, API secret key, hub key, API host, and hub host), effectively hijacking the translation service or causing a denial of service.
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
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Smartcat Translator for WPML 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 Smartcat Translator for WPML 3.1.77及之前版本存在安全漏洞，该漏洞源于routeData REST端点缺少权限检查，可能导致未认证攻击者覆盖插件Smartcat API凭据，劫持翻译
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
smartcatai Smartcat Translator for WPML 0 ~ 3.1.77 -

II. Public POCs for CVE-2026-4683

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III. Intelligence Information for CVE-2026-4683

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Patches & Fixes for CVE-2026-4683 (3)

Vendor Advisories for CVE-2026-4683 (1)

IV. Related Vulnerabilities

Same product: Smartcat Translator for WPML
Same vendor: smartcatai
Same weakness: CWE-862

V. Comments for CVE-2026-4683

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