Description
Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability was fixed in Firefox 141.
Scores
CVSS v3
9.8
EPSS
0.0017
EPSS Percentile
37.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-451
Status
published
Products (3)
mozilla/firefox
< 141.0
Mozilla/Firefox
141
mozilla/thunderbird
< 141.0
Published
Jul 22, 2025
Tracked Since
Feb 18, 2026