CVE-2023-6872

MEDIUM

Firefox < 121.0 - Unprotected User Data Exposure via GNOME Tab Title Logging

Title source: llm
STIX 2.1

Description

Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121.

References (3)

Core 3

Scores

CVSS v3 6.5
EPSS 0.0025
EPSS Percentile 48.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (1)
mozilla/firefox < 121.0
Published Dec 19, 2023
Tracked Since Feb 18, 2026