CVE-2026-84137

MediumCVSS 4.3/10Last modified Sep 3, 2026

Description

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-346 CWE-451

Affected software

No affected versions have been published.

Timeline

Published: Sep 1, 2026
Last modified: Sep 3, 2026
NVD status: Modified

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