CVE-2025-62978 MEDIUM

CVE-2025-62978: WordPress KiotViet Sync plugin <= 1.8.5 - Broken Access Control vulnerability

Vendor Kiotviet
Product KiotViet Sync
Weakness CWE-862 · Missing authorization
Published October 27, 2025
Last update April 28, 2026
View on NVD All CVEs

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

Missing Authorization vulnerability in Kiotviet KiotViet Sync kiotvietsync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects KiotViet Sync: from n/a through <= 1.8.5.

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 privileges can alter information through the application without additional restrictions. The vulnerability affects the integrity of stored data 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 checks.

Potential impact on your site

04Site Impact

Unauthorized changes to application data by authenticated users with limited permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege account on the KiotViet Sync system.

Key dates

06Disclosure timeline

October 27, 2025 CVE published
April 28, 2026 Record updated