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.
| Software | From | Fixed in |
|---|---|---|
| horde / horde | 3.3.12 | 3.3.12.x |
| horde / groupware | 1.2.10 | 1.2.10.x |