CVE-2026-43915 Coturn: Stored Cross-Site Scripting (XSS) in web-admin interface via TURN username

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.11.0 contain a stored cross-site scripting XSS vulnerability in the web-admin HTTPS interface. An attacker who can create a TURN allocation with a crafted USERNAME value can inject HTML/JavaScript that execut...

CVE-2026-43915

CVE-2026-43915 affects Coturn prior to 4.11.0, where the web-admin HTTPS interface vulnerable to a stored XSS via a crafted TURN USERNAME when an allocation is created. An authenticated web-admin user viewing the TURN session list can trigger script execution; in configurations with anonymous acc...