CVE-2021-30558

PoC —

CVSS 3.1

8.8 high

EPSS

11%p96

Published

Jan 2, 2023 (Jan 2, 2023)

Modified

Jun 17, 2026

Description

Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chrome security severity: Medium)

Vendors: google
Products: chrome
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (11.5%)

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