CVE-2017-7816

MEDIUM

Description

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.

References

http://www.securityfocus.com/bid/101057

http://www.securitytracker.com/id/1039465

https://bugzilla.mozilla.org/show_bug.cgi?id=1380597

https://www.mozilla.org/security/advisories/mfsa2017-21/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2019-10-03

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 5.3

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

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM