CVE-2025-12674

CRITICAL 9.8

KiotViet Sync <= 1.8.5 - Unauthenticated Arbitrary File Upload

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

The KiotViet Sync plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the create_media() function in all versions up to, and including, 1.8.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

CWE	CWE-434
Vendor	mykiot
Product	kiotviet sync
Published	Nov 5, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

mykiot / KiotViet Sync

0 ≤ 1.8.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/7fdd670f-2a71-4c1d-af46-f0fd05352f7e?source=cve wordpress.org: https://wordpress.org/plugins/kiotvietsync/

Credits

Kenneth Dunn