When a new protocol handler is registered, the API accepts a title argument which can be used to mislead users about which domain is registering the new protocol. This may result in the user approving a protocol handler that they otherwise would not have. This vulnerability affects Firefox < 63.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-dev", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "63.0+build2-0ubuntu0.14.04.2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-dev", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "63.0+build2-0ubuntu0.16.04.2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-dev", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "63.0+build2-0ubuntu0.18.04.2" } ] }