A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderbird < 128.CreditsPedro BernardoReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=1844827https://www.mozilla.org/security/advisories/mfsa2024-29/https://www.mozilla.org/security/advisories/mfsa2024-32/