{"id":"CVE-2026-61875","title":"luci-app-upnp contains a stored cross-site scripting vulnerability that allows unauthenticated LAN clients to inject JavaScript via UPnP IGD AddPortMapping SOAP requests","summary":"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…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cwe":["CWE-79"],"published":"2026-07-12","updated":"2026-07-12","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-61875","references":[{"url":"https://github.com/openwrt/luci/security/advisories/GHSA-8v49-6387-7f89","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/luci-app-upnp-stored-xss-via-upnp-port-mapping-description","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-07-12T12:20:14.090Z","epss":0.00551,"epssPercentile":0.44691,"slug":"CVE-2026-61875","body":"## Overview\n\nluci-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}