8.1

CVE-2026-100809

Same-origin policy bypass in the DevTools component

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox Version < 153.4.0
Mozilla ≫ Firefox Version >= 154.0.0 < 157.0.0
Mozilla ≫ Thunderbird Version < 153.4.0
Mozilla ≫ Thunderbird Version >= 154.0 < 157.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.044
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE-346 Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

https://www.mozilla.org/security/advisories/mfsa2026-100/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-97/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=2063658
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-101/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-103/
Vendor Advisory