CVE-2023-6870

MEDIUM

Firefox < 121.0 - Fullscreen Notification Spoofing via Toast Notification

Title source: llm
STIX 2.1

Description

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. *This issue only affects Android versions of Firefox and Firefox Focus.* This vulnerability affects Firefox < 121.

References (3)

Core 3

Scores

CVSS v3 4.3
EPSS 0.0060
EPSS Percentile 69.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Details

Status published
Products (2)
mozilla/firefox < 121.0
mozilla/firefox_focus
Published Dec 19, 2023
Tracked Since Feb 18, 2026