CVE-2025-9400

LOW EPSS 21.3%
Published Aug 25, 202510mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Aug 25, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
21.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-284
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
wanglongcnyifang* ≤2.0.5

References 5

  • github.com https://github.com/August829/Yu/blob/main/20250811_3.md
    Broken Link
  • github.com https://github.com/August829/Yu/blob/main/20250811_3.md#poc
    Broken Link
  • vuldb.com https://vuldb.com/?ctiid.321236
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.321236
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.632535
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.