Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability was fixed in Firefox 144 and Thunderbird 144.CreditsAxel Chong (@Haxatron)Referenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=1818679https://www.mozilla.org/security/advisories/mfsa2025-81/https://www.mozilla.org/security/advisories/mfsa2025-84/
