The origin of an external protocol handler prompt could have been obscured using a data: URL within an iframe
. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.
{ "binaries": [ { "binary_version": "132.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "132.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "132.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "132.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }