index.php in @lex Guestbook 4.0.1 allows remote attackers to obtain sensitive information via a skin parameter referencing a nonexistent skin, which reveals the installation path in an error message.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Alex_guestbook | Alexphpteam | 4.0.1 (including) | 4.0.1 (including) |