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. Attack…
Published: 2026-07-12 · CVSS: 8.7 · CVSS 4.0
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 without output encoding, executing the payload when administrators view the UPnP or Status pages.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7