cbcvebase.
CVE-2026-3846
published 2026-03-10

CVE-2026-3846: Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.

medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.

Affected

7 ranges
VendorProductVersion rangeFixed in
craftcmscms>= 4.0.0-RC1 < 4.17.54.17.5
craftcmscms>= 5.0.0-RC1 < 5.9.115.9.11
craftcmscms>= 5.6.0 < 5.9.135.9.13
craftcmscms>= 5.6.0 < 5.9.115.9.11
debianfirefox< firefox 148.0.2-1 (sid)firefox 148.0.2-1 (sid)
mozillafirefox< 148.0.2148.0.2
mozillafirefox

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
osv6.5MEDIUM