KiotViet Sync <= 1.8.5 - Use of Hard-coded Password to Authorization Bypass
Strategic Overview
- Status
- Unpatched
- Affected Plugin
- KiotViet Sync
- Affected Version
<= 1.8.5- CVSS
- 5.3Medium
- Weakness type
- CWE-259 · Use of Hard-coded Password
- CVE
CVE-2025-12676
At a glance
CVE-2025-12676 is a medium-severity Use of Hard-coded Password vulnerability in the KiotViet Sync WordPress plugin, affecting versions <= 1.8.5. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed November 2025, reported by kr0d.
Vulnerability Overview
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.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.
CWE-259: Use of Hard-coded Password
The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.
Remediation
No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
How does WordSec protect against this?
No patched version is recorded yet, so there is nothing to update to; WordSec's vulnerability alerts flag this record the moment that changes.
- Alerts
External References
Related records
Other vulnerabilities in KiotViet Sync
- 9.8CVE-2025-12674: KiotViet Sync <= 1.8.5 Arbitrary File Upload
CVE-2025-12674 - 6.5CVE-2025-32573: KiotViet Sync <= 1.8.4 SQL Injection
CVE-2025-32573 - 6.1CVE-2025-39381: KiotViet Sync CSRF to Stored Cross-Site Scripting
CVE-2025-39381 - 5.3CVE-2025-12677: KiotViet Sync <= 1.8.5 Webhook Key Exposure
CVE-2025-12677 - 4.3CVE-2025-12675: KiotViet Sync Authenticated (Subscriber+) Settings
CVE-2025-12675 - 4.3CVE-2025-62978: KiotViet Sync <= 1.8.5 Missing Authorization
CVE-2025-62978
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