CVE-2025-9400

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.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/August829/Yu/blob/main/20250811_3.md
https://github.com/August829/Yu/blob/main/20250811_3.md#poc
https://vuldb.com/?ctiid.321236
https://vuldb.com/?id.321236
https://vuldb.com/?submit.632535

Configurations

No configuration.

History

25 Aug 2025, 20:24

Type	Values Removed	Values Added
Summary		(es) Se ha detectado una falla en YiFang CMS (hasta la versión 2.0.5). Esta afecta a la función mergeMultipartUpload del archivo app/utils/base/plugin/P_file.php. Esta manipulación del argumento File provoca una carga sin restricciones. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado. Se contactó al proveedor con antelación para informarle sobre esta divulgación, pero no respondió.

25 Aug 2025, 01:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-25 01:15

Updated : 2025-08-25 20:24

NVD link : CVE-2025-9400

Mitre link : CVE-2025-9400

CVE.ORG link : CVE-2025-9400

JSON object : View

Products Affected

No product.

CWE

CWE-284

Improper Access Control

CWE-434

Unrestricted Upload of File with Dangerous Type

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