What the vulnerability does
01Description
The KiotViet Sync plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the saveConfig() function in all versions up to, and including, 1.8.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the plugin's config.
Explanation of Vulnerability in Simple Terms
02Summary
KiotViet Sync versions 1.8.5 and earlier lack proper authorization checks, allowing authenticated users to modify data they should not have access to. An attacker with low-level account credentials can alter information within the application without proper permission validation. The vulnerability affects data integrity but does not expose sensitive information or disrupt service availability.
What an attacker can do
03Attacker Capabilities
Modify data in the application without proper authorization.
Potential impact on your site
04Site Impact
Unauthorized users with basic accounts can alter application data, compromising data integrity and trust.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege account on the system.
Key dates
06Disclosure timeline
November 5, 2025
CVE published
April 8, 2026
Record updated