Description
Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security policy via a crafted Chrome Extension.
References (3)
Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://crbug.com/1115590
Third Party Advisory x_refsource_misc
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21127
Scores
CVSS v3
8.8
EPSS
0.0588
EPSS Percentile
92.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
Status
published
Products (2)
google/chrome
< 88.0.4324.96
microsoft/edge_chromium
< 88.0.705.50
Published
Feb 09, 2021
Tracked Since
Feb 18, 2026