admin.php in AlGuest 1.0 guestbook checks for the existence of the admin cookie to authenticate the AlGuest administrator, which allows remote attackers to bypass the authentication and gain privileges by setting the admin cookie to an arbitrary value.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Alguest | Alguest | 1.0 (including) | 1.0 (including) |