CVE-2017-7788
CVSS v3
9.8
CRITICAL
EPSS Score
2.3 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
- CVE-2017-7788 Red Hat Product Security
Mozilla: Sandboxed about:srcdoc frames do not inherit CSP directives (MFSA 2017-18)
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.
Technical details
- Published
- 2018-06-11
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