When a Web Extension had the all-urls permission and made a fetch request with a mode set to same-origin, it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Firefox | Mozilla | * | 74.0 (excluding) |
Firefox | Ubuntu | bionic | * |
Firefox | Ubuntu | devel | * |
Firefox | Ubuntu | eoan | * |
Firefox | Ubuntu | focal | * |
Firefox | Ubuntu | groovy | * |
Firefox | Ubuntu | hirsute | * |
Firefox | Ubuntu | impish | * |
Firefox | Ubuntu | jammy | * |
Firefox | Ubuntu | kinetic | * |
Firefox | Ubuntu | lunar | * |
Firefox | Ubuntu | mantic | * |
Firefox | Ubuntu | noble | * |
Firefox | Ubuntu | trusty | * |
Firefox | Ubuntu | upstream | * |
Firefox | Ubuntu | xenial | * |
Mozjs38 | Ubuntu | bionic | * |
Mozjs38 | Ubuntu | esm-apps/bionic | * |
Mozjs38 | Ubuntu | upstream | * |
Mozjs52 | Ubuntu | bionic | * |
Mozjs52 | Ubuntu | eoan | * |
Mozjs52 | Ubuntu | esm-apps/focal | * |
Mozjs52 | Ubuntu | esm-infra/bionic | * |
Mozjs52 | Ubuntu | focal | * |
Mozjs52 | Ubuntu | groovy | * |
Mozjs52 | Ubuntu | upstream | * |
Mozjs60 | Ubuntu | eoan | * |
Mozjs60 | Ubuntu | upstream | * |