Dany Ouellet

**Name of the Vulnerable Software and Affected Versions** Tiki Wiki CMS versions 6.14 and earlier Tiki Wiki CMS versions 9.10 LTS and earlier Tiki Wiki CMS versions 12.4 LTS and earlier Tiki Wiki CMS versions 14.1 and earlier **Description** An authenticated command injection vulnerability exists in Tiki Wiki CMS. When the calendar module is enabled and an authenticated user has permission to access it, an attacker can inject and execute arbitrary PHP code via the `viewmode` GET parameter in `tiki-calendar.php`. Successful exploitation leads to remote code execution in the context of the web server user. **Recommendations** Update Tiki Wiki CMS to a version later than 6.14. Update Tiki Wiki CMS to a version later than 9.10 LTS. Update Tiki Wiki CMS to a version later than 12.4 LTS. Update Tiki Wiki CMS to a version later than 14.1.