Description
Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.
References (7)
Core 7
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
Permissions Required, Vendor Advisory x_refsource_misc
https://crbug.com/1106890
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4824
Scores
CVSS v3
6.5
EPSS
0.0082
EPSS Percentile
74.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Details
Status
published
Products (6)
debian/debian_linux
10.0
fedoraproject/fedora
31
fedoraproject/fedora
32
fedoraproject/fedora
33
google/chrome
< 86.0.4240.75
opensuse/backports_sle
15.0 sp2
Published
Nov 03, 2020
Tracked Since
Feb 18, 2026