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Vulnerability details

CVE-2026-32721

openwrt luciopenwrt openwrt

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

CVSS 3.1
8.6High

Official description

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.

CVSS scores

ScoreVersionSourceVector
8.6High 3.1 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
openwrt luci < 26.072.65753~068150b CVEProject cvelistV5 (CNA)
openwrt openwrt < 24.10.6 CVEProject cvelistV5 (CNA)
openwrt openwrt >= 25.12.0, < 25.12.1 CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-03-20
Last updated
2026-03-25
State
Published
Assigner (CNA)
GitHub_M

Exploit prediction (EPSS)

0.23%
Probability of exploitation in 30 days
14.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-79
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')