CVE-2025-9400

Medium

Description

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.

SeverityMedium

CVSS6.3

Exploit probability—

ProductWanglongcn Yifang

PublishedAug 25, 2025

First seenAug 25, 2025

Weakness typeCWE-434Unrestricted upload of dangerous file type CWE-284Improper access control

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
wanglongcn yifang	v ≤ 2.0.5	—

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