luci-app-upnp Stored XSS via UPnP Port Mapping Description (CVE-2026-61875) | HOL Guard CVE

High · CVSS 8.7CVE-2026-61875

luci-app-upnp Stored XSS via UPnP Port Mapping Description

Answer in brief

CVE-2026-61875 records a High severity (CVSS 8.7) vulnerability in luci-app-upnp Stored XSS via UPnP Port Mapping Description. The current sources do not mark it as known exploited. The current feed maps openwrt/luci (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 12, 2026Updated Sep 30, 2026Source checked Sep 30, 2026First seen by HOL Jul 12, 2026Material review Sep 30, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.7
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps openwrt/luci (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
openwrt/lucigeneric	>=0 <24.10.8 \|\| >=25.12.0 <25.12.5	24.10.8, 25.12.5

Recommended response

Check inventory. Check lockfiles and deployed manifests for openwrt/luci.
Review the reported fix. Update openwrt/luci to 24.10.8 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jul 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jul 12, 2026

Sources and claim methodology

Upstream source 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 without output encoding, executing the payload when administrators view the UPnP or Status pages.

Quoted source text, attributed separately from HOL analysis.