index.php in FlatNuke 2.5.1 allows remote attackers to create an administrator account via carriage returns and #10 in the url_avatar field, which is interpreted as a sensitive directive.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Flatnuke | Flatnuke | 2.5.1 (including) | 2.5.1 (including) |