CVE-2024-1555

—

CVSS 3.1

8.3 high

EPSS

<1%p40

Published

Feb 20, 2024 (Feb 20, 2024)

Modified

Jun 17, 2026

Description

When opening a website using the `firefox://` protocol handler, SameSite cookies were not properly respected. This vulnerability affects Firefox < 123.

Vendors: mozilla
Products: firefox
Weakness: CWE-290
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

NVD CVE.org GitHub PoCs EPSS (0.5%)

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