CVE-2021-30571

PoC —

CVSS 3.1

9.6 critical

EPSS

1%p66

Published

Aug 3, 2021 (Aug 3, 2021)

Modified

Jun 17, 2026

Description

Insufficient policy enforcement in DevTools in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page.

Vendors: google fedoraproject
Products: chrome, fedora
Weakness: CWE-863
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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