CVE-2026-61875 luci-app-upnp Stored XSS via UPnP Port Mapping Description

luci-app-upnp contains a stored cross-site scripting vulnerability that allows unauthenticated LAN clients to inject JavaScript via UPnP IGD AddPortMapping SOAP requests. Attackers can send malicious HTML in the NewPortMappingDescription field, which miniupnpd stores and luci-app-upnp renders...

CVE-2026-61875

The vulnerability is in luci-app-upnp (OpenWrt LuCI) and is a stored cross-site scripting (XSS) flaw in the UPnP IGD AddPortMapping SOAP request. An unauthenticated LAN client can submit malicious HTML in the NewPortMappingDescription field; miniupnpd stores it and luci-app-upnp renders it withou...