VULNERABILITY INTELLIGENCE
CVE-2026-12323
CVSS score5.4 MEDIUM
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-06-16
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Description
Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-1021
Primary references
- security@mozilla.org — Permissions Required
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory