Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if a site does not filter user input as strictly for these elements as it does for other elements. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
{ "binaries": [ { "binary_version": "69.0+build2-0ubuntu0.16.04.4", "binary_name": "firefox" }, { "binary_version": "69.0+build2-0ubuntu0.16.04.4", "binary_name": "firefox-dev" }, { "binary_version": "69.0+build2-0ubuntu0.16.04.4", "binary_name": "firefox-geckodriver" }, { "binary_version": "69.0+build2-0ubuntu0.16.04.4", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "thunderbird" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "thunderbird-dev" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.16.04.2", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "69.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox" }, { "binary_version": "69.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-dev" }, { "binary_version": "69.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "69.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:60.9.0+build1-0ubuntu0.18.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }