CVE-2019-16966: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Contactmanager 13.x before 13.0.45.3, 14.x before 14.0.5.12, and 15.x before 15.0.8.21 for FreePBX 14.0.10.3. In the Contactmanager class html\admin\modules\contactmanager\Contactmanager.class.php, an unsanitized group variable coming from the URL is reflected in HTML o...