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CVE-2026-12323

Mozilla Firefox 2026-06-16 CVSS v3.1
CVSS
5.4

Description

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Weakness (CWE)

CWE-1021

EPSS Score

0.17%
Probability of exploitation in next 30 days
6.5th percentile

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2035027 Permissions Required https://www.mozilla.org/security/advisories/mfsa2026-57/ Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2026-60/ Vendor Advisory
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