CVE-2025-9400 MEDIUM

CVE-2025-9400: YiFang CMS P_file.php mergeMultipartUpload unrestricted upload

Vendor Yifang
Product CMS
Weakness CWE-434 · Unrestricted file upload
Published August 25, 2025
Last update August 25, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in YiFang CMS up to 2.0.5. This affects the function mergeMultipartUpload of the file app/utils/base/plugin/P_file.php. This manipulation of the argument File causes unrestricted upload. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

August 25, 2025 CVE published
August 25, 2025 Record updated