Description
A compromised web child process could disable web security opening restrictions, leading to a new child process being spawned within the `file://` context. Given a reliable exploit primitive, this new process could be exploited again leading to arbitrary file read. This vulnerability affects Firefox < 109.
Scores
CVSS v3
6.5
EPSS
0.0010
EPSS Percentile
27.4%
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
CWE
CWE-326
Status
published
Products (1)
mozilla/firefox
< 109.0
Published
Jun 02, 2023
Tracked Since
Feb 18, 2026