CVE-2021-21123

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CVSS 3.1

6.5 medium

EPSS

11%p96

Published

Feb 9, 2021 (Feb 9, 2021)

Modified

Jun 17, 2026

Description

Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

Vendors: google microsoft
Products: chrome, edge chromium
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (10.9%)

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