When a JavaScript URL (javascript:) is evaluated and the result is a string, this string is parsed to create an HTML document, which is then presented. Previously, this document's URL (as reported by the document.location property, for example) was the originating javascript: URL which could lead to spoofing attacks; it is now correctly the URL of the originating document. This vulnerability affects Firefox < 74.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "74.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-dev", "binary_version": "74.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "74.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "74.0+build3-0ubuntu0.16.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "74.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "74.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "74.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "74.0+build3-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "74.0+build3-0ubuntu1" }, { "binary_name": "firefox-dev", "binary_version": "74.0+build3-0ubuntu1" }, { "binary_name": "firefox-geckodriver", "binary_version": "74.0+build3-0ubuntu1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "74.0+build3-0ubuntu1" } ] }