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CVE-2021-21141

nvd nist
Published: Feb 9, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page.

Affected (2)

Products: Google: Chrome · Microsoft: Edge
Google
1 product
Chrome
Microsoft
1 product
Edge
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Chrome
Before 88.0.4324.96
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Edge
Before 88.0.705.74

Related CWEs

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (6)

Source: chrome-cve-admin@google.com
Release NotesVendor Advisory
Source: chrome-cve-admin@google.com
Permissions RequiredThird Party Advisory
Source: chrome-cve-admin@google.com
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions RequiredThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.