Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the users browser to control it. This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.. This vulnerability affects Firefox < 97.
The product does not properly verify that the source of data or communication is valid.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Firefox | Mozilla | * | 97.0 (excluding) |
Firefox | Ubuntu | bionic | * |
Firefox | Ubuntu | devel | * |
Firefox | Ubuntu | focal | * |
Firefox | Ubuntu | impish | * |
Firefox | Ubuntu | jammy | * |
Firefox | Ubuntu | kinetic | * |
Firefox | Ubuntu | lunar | * |
Firefox | Ubuntu | trusty | * |
Firefox | Ubuntu | upstream | * |
Firefox | Ubuntu | xenial | * |