CVE-2017-7834 log

Source
Severity Medium
Remote Yes
Type Access restriction bypass
Description
A data: URL loaded in a new tab of Firefox before 57.0 did not inherit the Content Security Policy (CSP) of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when data: documents also inherited the context of the original page this would allow for potential cross-site scripting (XSS) attacks.
Group Package Affected Fixed Severity Status Ticket
AVG-494 firefox 56.0.2-1 57.0-1 Critical Fixed
Date Advisory Group Package Severity Description
15 Nov 2017 ASA-201711-23 AVG-494 firefox Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/#CVE-2017-7834
https://bugzilla.mozilla.org/show_bug.cgi?id=1358009