What the vulnerability does
01Description
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.
Explanation of Vulnerability in Simple Terms
02Summary
KiotViet Sync versions 1.8.5 and earlier contain a flaw that allows an attacker to modify data without authentication. The vulnerability requires only network access and no user interaction. An attacker can alter information processed by the application, though confidentiality and availability are not affected.
What an attacker can do
03Attacker Capabilities
Modify data or settings in the application without logging in.
Potential impact on your site
04Site Impact
Attackers can alter application data or configuration without credentials, potentially disrupting operations or data integrity.
Conditions required to exploit
05Prerequisites
Network access to the application; no authentication or user interaction required.
Key dates
06Disclosure timeline
November 5, 2025
CVE published
April 8, 2026
Record updated