VDB
CESS-2026-8948
CESS-2026-8948
PUBLISHED
CVSS 9.1 CRITICAL
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
Risk Scores
CVSS 3.1
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Timeline
- May 19, 2026 CVE Published