Mozilla Firefox 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 do not prevent manual add-on installation in response to the holding of the Enter key, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site that triggers an unspecified internal error.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0 | 4.0 |
| Firefox | Mozilla | 4.0.1 | 4.0.1 |
| Firefox | Mozilla | 5.0 | 5.0 |
| Firefox | Mozilla | 6.0 | 6.0 |
| Firefox | Ubuntu | devel | * |
| Firefox | Ubuntu | hardy | * |
| Firefox | Ubuntu | natty | * |
| Firefox | Ubuntu | upstream | * |