The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.
The product does not properly verify that the source of data or communication is valid.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 27.0 (excluding) |
| Firefox_esr | Mozilla | 24.0 (including) | 24.3 (excluding) |
| Seamonkey | Mozilla | * | 2.24 (excluding) |
| Thunderbird | Mozilla | * | 24.3 (excluding) |