CVE-2025-12675 MEDIUM

CVE-2025-12675: KiotViet Sync <= 1.8.5 - Missing Authorization to Authenticated (Subscriber+) Settings Update

Vendor Mykiot
Product KiotViet Sync
Weakness CWE-862 · Missing authorization
Published November 5, 2025
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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