A shared worker created from a "data:" URL in one tab can be shared by another tab with a different origin, bypassing the same-origin policy. This vulnerability affects Firefox < 59.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "59.0+build5-0ubuntu0.14.04.1", "binary_name": "firefox" }, { "binary_version": "59.0+build5-0ubuntu0.14.04.1", "binary_name": "firefox-dev" }, { "binary_version": "59.0+build5-0ubuntu0.14.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "59.0+build5-0ubuntu0.14.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "59.0+build5-0ubuntu0.14.04.1", "binary_name": "firefox-testsuite" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "59.0+build5-0ubuntu0.16.04.1", "binary_name": "firefox" }, { "binary_version": "59.0+build5-0ubuntu0.16.04.1", "binary_name": "firefox-dev" }, { "binary_version": "59.0+build5-0ubuntu0.16.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "59.0+build5-0ubuntu0.16.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "59.0+build5-0ubuntu0.16.04.1", "binary_name": "firefox-testsuite" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-dev" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-globalmenu" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-testsuite" } ] }