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CVE-2026-6762

nvd nist
Published: Apr 21, 2026Modified: Apr 22, 2026

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6.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Exploitability: 2.8 / Impact: 3.4
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Affected (3)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Firefox
Before 150.0
Firefox
Before 140.10.0
Thunderbird
From 140.0 to 140.10.0

Related CWEs

CWE-290
Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

References (6)

Source: security@mozilla.org
Permissions Required
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory

Timeline

No history available yet.