CVE-2026-61875
luci-app-upnp Stored XSS via UPnP Port Mapping Description
CVSS Score
8.8
EPSS Score
0.3%
EPSS Percentile
21th
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.
| CWE | CWE-79 |
| Vendor | openwrt |
| Product | luci |
| Published | Jul 12, 2026 |
| Last Updated | Jul 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
openwrt / luci
All versions affected References
Credits
🔍 lujiefsi