The MediaError message property should be consistent to avoid leaking information about cross-origin resources; however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 102.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "102.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "102.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "102.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "102.0+build2-0ubuntu0.18.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "102.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "102.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "102.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "102.0+build2-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }