Unrestricted file upload vulnerability in F3Site 2.1 and earlier allows remote authenticated administrators to upload and execute arbitrary PHP scripts via GIF86 header in a file in the uplf parameter, which can be later accessed via a relative pathname in the dir parameter in adm.php.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| F3site | F3site | 2.1 (including) | 2.1 (including) |