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CVE-2026-32721— LuCI luci-mod-network: Possible XSS attack in WiFi scan on Joining Wireless Client modal

Quick assessment

Affected
openwrt luci
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenWrt LuCI是OpenWRT开源的一款用于OpenWrt（Linux发行版）的图形化配置界面。 OpenWrt LuCI 24.10.5之前版本和25.12.0之前版本存在跨站脚本漏洞，该漏洞源于无线扫描模态中存在存储型跨站脚本问题，可能导致攻击者执行任意HTML/JavaScript。

CVSS 8.6 · High EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-32721

Vulnerability Information
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Vulnerability Title
LuCI luci-mod-network: Possible XSS attack in WiFi scan on Joining Wireless Client modal
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenWrt LuCI 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenWrt LuCI是OpenWRT开源的一款用于OpenWrt（Linux发行版）的图形化配置界面。 OpenWrt LuCI 24.10.5之前版本和25.12.0之前版本存在跨站脚本漏洞，该漏洞源于无线扫描模态中存在存储型跨站脚本问题，可能导致攻击者执行任意HTML/JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openwrt luci < 26.072.65753~068150b -
openwrt openwrt < 24.10.6 -

II. Public POCs for CVE-2026-32721

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III. Intelligence Information for CVE-2026-32721

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Patches & Fixes for CVE-2026-32721 (2)

Vendor Advisories for CVE-2026-32721 (1)

Same Patch Batch · openwrt · 2026-03-19 · 5 CVEs total

CVE-2026-30871 OpenWrt Project has Stack-based Buffer Overflow in DNS PTR Query
CVE-2026-30873 OpenWrt Project jsonpath: Memory leak when processing strings, labels, and regexp tokens
CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS looku
CVE-2026-30874 OpenWrt procd PATH Environment Variable Filter Bypass via Incorrect String Comparison Lead

IV. Related Vulnerabilities

Same product: luci
Same vendor: openwrt
Same weakness: CWE-79

V. Comments for CVE-2026-32721

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