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CVE-2026-6755

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CVSS 3.1
6.5 medium
EPSS
<1%p9
Published
()
Modified
Description

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-352
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

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