CVE-2017-7788

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-74

Affected software

No affected versions have been published.

Timeline

Published
Jun 11, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-7788: Critical severity, CVSS 9.8 | Vulnix