Arbitrary file upload in QYKCMS

Published: 2023-03-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-1442
Exploitation vector Network
Public exploit N/A
Vulnerable software
Web applications / CMS

Vendor Qingyunke

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU73881

Risk: Low


CVE-ID: CVE-2023-1442

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No


The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the /admin_system/api.php script in the Update Handler component. A remote administrator can upload a malicious file and execute it on the server.


Install updates from vendor's website.

Vulnerable software versions

QYKCMS: 4.3.0

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?