An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
CVSS Details
- CVSS 3.1 Base Score: 9.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefox | Jul 5, 2025 | Jul 4, 2025 |
| Mfsa2025 51 | — | Upgrade to Mozilla Firefox version 140.0 | Jun 25, 2025 | Jun 24, 2025 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 140.0 | Jul 3, 2025 | Jun 24, 2025 |
| Suse | — | Upgrade pipewire-modules-0_3Upgrade xdg-desktop-portalUpgrade pipewire-langUpgrade pipewire-modulesUpgrade mozillafirefox-branding-sleUpgrade pipewire-spa-toolsUpgrade xdg-desktop-portal-develUpgrade pipewireUpgrade pipewire-toolsUpgrade mozillafirefox-branding-upstreamUpgrade xdg-desktop-portal-langUpgrade pipewire-spa-plugins-0_2Upgrade mozillathunderbirdUpgrade mozillafirefox-translations-otherUpgrade libpipewire-0_3-0Upgrade gstreamer-plugin-pipewireUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox-develUpgrade mozillafirefoxUpgrade mozillathunderbird-translations-otherUpgrade mozillathunderbird-translations-common | Jul 18, 2025 | Jun 24, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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