CVE Field Guide
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CVE-2026-8964
PUBLISHED
Spoofing issue in the Popup Blocker component
Assigner:
mozilla
Reserved:
19.05.2026
Published:
19.05.2026
Updated:
19.05.2026
Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151.
Product Status
Vendor
Mozilla
Product
Firefox
Versions
unaffected from 151 to * (incl.)
Credits
Satoki Tsuji
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2025170
https://www.mozilla.org/security/advisories/mfsa2026-46/