Description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Scores
CVSS v3
5.4
EPSS
0.0004
EPSS Percentile
11.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-693
Status
published
Products (4)
mozilla/firefox
< 150.0
Mozilla/Firefox
150
mozilla/thunderbird
< 150.0
Mozilla/Thunderbird
150
Published
Apr 21, 2026
Tracked Since
Apr 21, 2026