Medium severity6.5NVD Advisory· Published Jul 29, 2023· Updated Jun 17, 2026

CVE-2021-4323

Description

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to access local files via a crafted Chrome Extension. (Chromium security severity: Medium)

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Google/Chromellm-fuzzy3 versions
<90.0.4430.72+ 2 more
- (no CPE)range: <90.0.4430.72
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*range: <90.0.4430.72
- (no CPE)range: 90.0.4430.72

Patches

Vulnerability mechanics

References

crbug.com/1176031nvdExploitIssue TrackingVendor Advisory
chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.htmlnvdRelease NotesVendor Advisory
lists.fedoraproject.org/archives/list/[email protected]/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/nvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
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ransomware	0.000