A compromised content process could have updated the document URI. This could have allowed an attacker to set an arbitrary URI in the address bar or history. This vulnerability affects Firefox < 122.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "122.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "122.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "122.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "122.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ] }