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CVE-2026-8948

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CVSS 3.1
9.1 critical
EPSS
<1%p35
Published
()
Modified
Description

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

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-942, CWE-79
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

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