CVE-2026-32721CWE-79

LuCI luci-mod-network: Possible XSS attack in WiFi scan on Joining Wireless Client modal

High · published March 19, 2026

CVSS v3.1
8.6
EPSS
0%
Percentile
21.9
In the wild
Unconfirmed
What it is

LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization. The wireless.js file in the luci-mod-network package passes SSIDs via a template literal to dom.append(), which processes them through innerHTML, allowing an attacker to craft a malicious SSID containing arbitrary HTML/JavaScript. Exploitation requires the user to actively open the wireless scan modal (e.g., to connect to a Wi-Fi access point or survey nearby channels), and only affects OpenWrt versions newer than 23.05/22.03 up to the patched releases (24.10.6 and 25.12.1). The issue has been fixed in version LuCI 26.072.65753~068150b.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00304 · 21.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-19T22:46Z
EPSS history
Timeline
  • 19 MAR 22:46Z
    LuCI luci-mod-network: Possible XSS attack in WiFi scan on Joining Wireless Client modal
    cvelistv5