CVE-2024-6611

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CVSS 3.1

9.8 critical

EPSS

<1%p50

Published

Jul 9, 2024 (Jul 9, 2024)

Modified

Jun 17, 2026

Description

A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Vendors: mozilla
Products: firefox, thunderbird
Weakness: CWE-1275
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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