cve.bz

CVE-2026-84137

4.3 mediumEPSS 0.1%

Medium (4.3) in mozilla. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-31)
CWEs
CWE-346, CWE-451
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON