TI-2021-04215 Aliases CVE-2021-21111 GHSA-543r-2767-7774

Clickjacking in Google Chrome

MEDIUM 43CWE-1021Published 2021-01-08 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-1021.

Summary

Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Why it matters now

EPSS 0.01078 65th percentileScored 2026-11-07

Fix Fixed Chrome (Google): 87.0.4280.141

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Google	Chrome	before 87.0.4280.141	87.0.4280.141	Patch available	CNA

Chrome VendorGoogle Affected before 87.0.4280.141 Fixed in 87.0.4280.141 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:google:chrome::::::::	before 87.0.4280.141	Vulnerable	Google
cpe:2.3:o:fedoraproject:fedora:32:::::::*	32	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:33:::::::*	33	Vulnerable	Fedoraproject
cpe:2.3:o:debian:debian_linux:10.0:::::::*	10.0	Vulnerable	Debian

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 87.0.4280.141 Vulnerable ·Google
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Fix · CNA Chrome (Google) Fixed in 87.0.4280.141

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2021-01-08
Google Chrome 87.0.4280.141
12 records Highest priority Priority MEDIUM 12 MEDIUM
Other records, highest priority first
- TI-2021-04214 Use after free in Google ChromePriority MEDIUM 47
- TI-2021-04210 Use after free in Google ChromePriority MEDIUM 46
- TI-2021-04219 Use after free in Google ChromePriority MEDIUM 44
Show all 12 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2021-21111
2026-10-03 Alias added: GHSA-543r-2767-7774

References

Advisory 6

TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6

See all 7586 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences