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NVD description
Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
I’m happy this helped make #firefox safer :) Thanks to the team for handling and fixing it! https://www.mozilla.org/en-US/security/advisories/mfsa2026-46/#CVE-2026-8960 https://t.co/r8GHSm78oU
Post summary
Mozilla’s team has fixed CVE-2026-8960 in Firefox, enhancing security.
CVE-2026-8960 Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151. https://www.cve.org/CVERecord?id=CVE-2026-8960
Post summary
CVE‑2026‑8960 is a spoofing flaw in WebExtensions that has already been fixed in Firefox and Thunderbird 151.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | mozilla | firefox | - | - | - |
| App | mozilla | thunderbird | - | - | - |