Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox < 148.0.2.
https://www.mozilla.org/security/advisories/mfsa2026-19/
https://bugzilla.mozilla.org/show_bug.cgi?id=2018400
Source: Mitre, NVD
Published: 2026-03-10
Updated: 2026-03-10
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N