CVE-2025-9400

Name: CVE-2025-9400
Creator: NVD / NIST
Published: 2025-08-25T01:15:36.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2025-9400 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

2.1/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.30%

21.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wanglongcn	Yifang	<= 2.0.5

References

https://github.com/August829/Yu/blob/main/20250811_3.mdBroken Link
https://github.com/August829/Yu/blob/main/20250811_3.md#pocBroken Link
https://vuldb.com/?ctiid.321236Permissions Required, VDB Entry
https://vuldb.com/?id.321236Third Party Advisory, VDB Entry
https://vuldb.com/?submit.632535Third Party Advisory, VDB Entry

Timeline

Published: Aug 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-9400?

How severe is CVE-2025-9400?

CVE-2025-9400 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2025-9400?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-9400?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST