#VU73881 Arbitrary file upload in QYKCMS - CVE-2023-1442

Vulnerability identifier: #VU73881

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1442

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QYKCMS
Web applications / CMS

Vendor: Qingyunke

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QYKCMS: 4.3.0

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External links
https://vuldb.com/?ctiid.223287
https://vuldb.com/?id.223287
https://github.com/VG00000/-/blob/main/README.md

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.