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Description

Spoofing issue in the Site Permissions component. This vulnerability affects Firefox < 143 and Thunderbird < 143.

PUBLISHED Reserved 2025-09-16 | Published 2025-09-16 | Updated 2025-10-30 | Assigner mozilla

Product status

Any version before 143
affected

Any version before 143
affected

Credits

Emma Zühlcke

References

bugzilla.mozilla.org/show_bug.cgi?id=1665334

www.mozilla.org/security/advisories/mfsa2025-73/

www.mozilla.org/security/advisories/mfsa2025-77/

cve.org (CVE-2025-10534)

nvd.nist.gov (CVE-2025-10534)

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