CVE-2021-4323
Last modified
CVE-2021-4323 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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). EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 90.0.4430.72 |
References
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1176031Exploit, Issue Tracking, Vendor Advisory
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1176031Exploit, Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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