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CVE-2025-12677— KiotViet Sync <= 1.8.5 - Unauthenticated Webhook Key Exposure

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及之前版本存在信息泄露漏洞，该漏洞源于register_api_route函数暴露敏感信息，可能导致未经验证的攻击者提取webhook令牌值。

CVSS 5.3 · Medium EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-12677

Vulnerability Information
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Vulnerability Title
KiotViet Sync <= 1.8.5 - Unauthenticated Webhook Key Exposure
Source: CVE Program / CVE List V5
Vulnerability Description
The KiotViet Sync plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.5 via the register_api_route() function in kiotvietsync/includes/public_actions/WebHookAction.php. This makes it possible for unauthenticated attackers to extract the webhook token value when configured.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin KiotViet Sync 信息泄露漏洞
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及之前版本存在信息泄露漏洞，该漏洞源于register_api_route函数暴露敏感信息，可能导致未经验证的攻击者提取webhook令牌值。
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-2025-12677

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III. Intelligence Information for CVE-2025-12677

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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-2025-12676 5.3 MEDIUM KiotViet Sync <= 1.8.5 - Use of Hard-coded Password to Authorization Bypass
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-200

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