CVE-2017-7788

Source
Severity Low
Remote Yes
Type Access restriction bypass
Description
A security issue has been found in Firefox < 55.0. 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.
Group Package Affected Fixed Severity Status Ticket
AVG-375 firefox 54.0.1-1 55.0-1 Critical Fixed
Date Advisory Group Package Severity Description
10 Aug 2017 ASA-201708-3 AVG-375 firefox Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7788
https://bugzilla.mozilla.org/show_bug.cgi?id=1073952