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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| YiFang | CMS | 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 | — |
References
- VDB-321236 | YiFang CMS P_file.php mergeMultipartUpload unrestricted upload vdb-entry technical-description
- VDB-321236 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #632535 | YiFang CMS 2.0.5 Unrestricted Upload third-party-advisory
- https://github.com/August829/Yu/blob/main/20250811_3.md related
- https://github.com/August829/Yu/blob/main/20250811_3.md#poc exploit