When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit the containing page's Content Security Policy (CSP) as it should unless the sandbox attribute included "allow-same-origin". This vulnerability affects Firefox < 55.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Freebsd | — | Upgrade linux-firefoxUpgrade firefoxUpgrade seamonkeyUpgrade libxulUpgrade linux-seamonkeyUpgrade linux-thunderbirdUpgrade thunderbirdUpgrade firefox-esr | Aug 8, 2017 | Aug 8, 2017 |
| Mfsa2017 18 | — | Upgrade to Mozilla Firefox version 55.0 | Aug 9, 2017 | Aug 8, 2017 |
| Suse | — | Upgrade mozillafirefox-translations-otherUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox | May 20, 2018 | Aug 8, 2017 |
| Ubuntu | — | Upgrade firefox | Aug 16, 2017 | Aug 8, 2017 |
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