Description
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.
Scores
CVSS v3
6.5
EPSS
0.0002
EPSS Percentile
4.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-346
Status
published
Products (2)
mozilla/firefox
< 148.0.2
Mozilla/Firefox
148.0.2
Published
Mar 10, 2026
Tracked Since
Mar 11, 2026