CVE-2026-73662: Improper Neutralization of Special Elements used in an OS Command

FreePBX is an open source IP PBX. From 17.0.1 until 17.0.7, the FreePBX Music on Hold module permits dangerous command-line options for /usr/bin/mpg123 and other allowed players in validateCustomConfiguration in Music.class.php. An authenticated administrator can use options that write files, ope...