CVE-2025-13017

HIGH 8.1

Same-origin policy bypass in the DOM: Notifications component

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Nov 11, 2025
Last Updated	Apr 13, 2026

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Affected Versions

Mozilla / Firefox

All versions affected

Mozilla / Thunderbird

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1980904 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-87/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-88/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-90/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-91/

Credits

Mochammad Nosa Shandy Prastyo