CVE-2019-16982

CVE-2019-16982 is a reflected Cross-Site Scripting (XSS) vulnerability affecting FusionPBX up to version 4.5.7, specifically within the app\access_controls\access_control_nodes.php file. This medium-severity vulnerability (CVSS 6.1) allows an unauthenticated attacker to inject malicious scripts into a user's browser by manipulating an unsanitized URL parameter, potentially leading to information disclosure or unauthorized actions. While the attack complexity is low and no authentication is required, user interaction is necessary for exploitation. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.