CVE-2026-8948

Katalog CVE

CVSS 9.1 · Critical EPSS 0,45%

Kerentanan Permissive Cross-domain Security Policy with Untrusted Domains pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 9.1 (Critical) menurut CISA ADP.

Deskripsi (NVD)

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Rincian

Terbit di NVD

19 Mei 2026

Terakhir diubah

15 Juli 2026

Status NVD

Modified

CVSS 3.1

9.1 (Critical), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-942: Permissive Cross-domain Security Policy with Untrusted Domains
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

0,45% peluang dieksploitasi; lebih tinggi dari 37,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-46/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-50/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2038803 permissions required
• https://access.redhat.com/security/cve/CVE-2026-8948
• https://bugzilla.redhat.com/show_bug.cgi?id=2479850
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8948.json