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.
- http://eromang.zataz.com/2012/02/15/cve-2012-0209-horde-backdoor-analysis/
- http://packetstormsecurity.org/files/109874/Horde-3.3.12-Backdoor-Arbitrary-PHP-Code-Execution.html
No PoCs found on GitHub currently.