Arbitrary file upload in Wanglongcn Yifang
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 att…
EPSS: 0.001 (24.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Wanglongcn Yifang
- Yifang Cms — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
References
- VDB-321236 | YiFang CMS P_file.php mergeMultipartUpload unrestricted upload (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-321236 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #632535 | YiFang CMS 2.0.5 Unrestricted Upload (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (related, Broken Link)
- cna@vuldb.com (exploit, Broken Link)
Frequently asked questions
- What is CVE-2025-9400?
- CVE-2025-9400 is a medium-severity vulnerability in Wanglongcn Yifang, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-08-25.
- How severe is CVE-2025-9400?
- Medium severity. CVSS v3 base score is 6.3 out of 10.