Description
Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
References (5)
Scores
CVSS v3
8.1
EPSS
0.0003
EPSS Percentile
10.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-942
Status
published
Products (6)
mozilla/firefox
< 140.5.0
mozilla/firefox
< 145.0
Mozilla/Firefox
140.5 - 140.*
Mozilla/Firefox
145
Mozilla/Thunderbird
140.5 - 140.*
Mozilla/Thunderbird
145
Published
Nov 11, 2025
Tracked Since
Feb 18, 2026