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 the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 140.0 | Jun 25, 2025 | Jun 24, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 140.0 | Jul 3, 2025 | Jun 24, 2025 |
| Suse | — | Upgrade gstreamer-plugin-pipewireUpgrade MozillaFirefoxUpgrade libpipewire-0_3-0Upgrade pipewire-spa-plugins-0_2Upgrade pipewire-langUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-branding-sleUpgrade pipewire-toolsUpgrade MozillaThunderbird-translations-commonUpgrade pipewireUpgrade xdg-desktop-portal-langUpgrade MozillaFirefox-translations-commonUpgrade xdg-desktop-portal-develUpgrade MozillaThunderbirdUpgrade pipewire-spa-toolsUpgrade xdg-desktop-portalUpgrade pipewire-modulesUpgrade pipewire-modules-0_3Upgrade MozillaThunderbird-translations-other | Jul 18, 2025 | Jun 24, 2025 |
| Ubuntu | — | Upgrade thunderbird | Jun 26, 2025 | Jun 24, 2025 |
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