CVE-2017-7834

medium

Description

A "data:" URL loaded in a new tab 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. This vulnerability affects Firefox < 57.

References

https://www.mozilla.org/security/advisories/mfsa2017-24/

https://bugzilla.mozilla.org/show_bug.cgi?id=1358009

http://www.securitytracker.com/id/1039803

http://www.securityfocus.com/bid/101832

Details

Source: Mitre, NVD

Published: 2018-06-11

Updated: 2018-06-25

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium