trixbox 2.8.0.4 has OS command injection via shell metacharacters in the lang parameter to /maint/modules/home/index.php.
packetstormsecurity.com/files/162854/Trixbox-2.8.0.4-Remote-Code-Execution.html
www.securityfocus.com/bid/103004
github.com/Hacker5preme/Exploits/tree/main/CVE-2017-14535-Exploit
secur1tyadvisory.wordpress.com/2018/02/11/trixbox-os-command-injection-vulnerability-cve-2017-14535/
twitter.com/tiger_tigerboy/status/962689803270500352
www.linkedin.com/pulse/trixbox-os-command-injection-vulnerability-sachin-wagh-ceh-ecsa-/?published=t