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CVE-2025-12676— KiotViet Sync <= 1.8.5 - Use of Hard-coded Password to Authorization Bypass

Quick assessment

Affected
mykiot KiotViet Sync
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 KiotViet Sync 1.8.5及之前版本存在安全漏洞，该漏洞源于QueryControllerAdmin::authenticated函数使用硬编码密码进行身份验证，可能导致未经验证的攻击者绕过授权创建和同步

CVSS 5.3 · Medium EPSS 0.29% · P21
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I. Basic Information for CVE-2025-12676

Vulnerability Information
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Vulnerability Title
KiotViet Sync <= 1.8.5 - Use of Hard-coded Password to Authorization Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The KiotViet Sync plugin for WordPress is vulnerable to authorizarion bypass in all versions up to, and including, 1.8.5. This is due to the plugin using a hardcoded password for authentication in the QueryControllerAdmin::authenticated function. This makes it possible for unauthenticated attackers to create and sync products.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的口令
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin KiotViet Sync 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 KiotViet Sync 1.8.5及之前版本存在安全漏洞，该漏洞源于QueryControllerAdmin::authenticated函数使用硬编码密码进行身份验证，可能导致未经验证的攻击者绕过授权创建和同步
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
mykiot KiotViet Sync * ~ 1.8.5 -

II. Public POCs for CVE-2025-12676

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III. Intelligence Information for CVE-2025-12676

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Same Patch Batch · mykiot · 2025-11-05 · 4 CVEs total

CVE-2025-12674 9.8 CRITICAL KiotViet Sync <= 1.8.5 - Unauthenticated Arbitrary File Upload
CVE-2025-12677 5.3 MEDIUM KiotViet Sync <= 1.8.5 - Unauthenticated Webhook Key Exposure
CVE-2025-12675 4.3 MEDIUM KiotViet Sync <= 1.8.5 - Missing Authorization to Authenticated (Subscriber+) Settings Upd

IV. Related Vulnerabilities

Same product: KiotViet Sync
Same vendor: mykiot
Same weakness: CWE-259

V. Comments for CVE-2025-12676

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