CVE-2026-61876— LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting
Public Exploits 1
ExploitDB · 1 EDB-52637 [dos]
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-61876
Vulnerability Information
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Vulnerability Title
LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/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社区开源的一款路由器配置界面。 OpenWRT luci存在跨站脚本漏洞，该漏洞源于在状态表中呈现DHCPv6租约主机名前未能正确编码，导致相邻网络攻击者注入HTML标记。攻击者可以通过发送包含脚本标签的DHCPv6 Client FQDN，在管理员查看DHCP租约页面时执行脚本。
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
II. Public POCs for CVE-2026-61876
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 9647 chars
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III. Intelligence Information for CVE-2026-61876
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Vendor Advisories for CVE-2026-61876 (2)
Same Patch Batch · openwrt · 2026-07-12 · 3 CVEs total
| CVE-2026-59260 | 8.8 HIGH | OpenWrt luci-app-samba4 read ACL remote code execution via smbd |
| CVE-2026-61875 | 8.8 HIGH | luci-app-upnp Stored XSS via UPnP Port Mapping Description |
IV. Related Vulnerabilities
Same product: luci
- CVE-2026-72842
OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass - CVE-2026-72841
luci-app-openvpn Path Traversal RCE via instance_name2 - CVE-2026-72840
OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab - CVE-2026-69096
OpenWrt luci-app-dockerman Read ACL Remote Code Execution - CVE-2026-69095
OpenWrt luci-app-bmx7 Path Traversal via bmx7-info
Same vendor: openwrt
- CVE-2026-72841
luci-app-openvpn Path Traversal RCE via instance_name2 - CVE-2026-72842
OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass - CVE-2026-72840
OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab - CVE-2026-69096
OpenWrt luci-app-dockerman Read ACL Remote Code Execution - CVE-2026-69095
OpenWrt luci-app-bmx7 Path Traversal via bmx7-info
Same weakness: CWE-79
- CVE-2026-19916
code-projects Online Food Order System edit_food_items.php c - CVE-2026-73053
SiYuan before v3.7.4 Cross-Site Scripting via unicode2Emoji - CVE-2026-73052
SiYuan before v3.7.4 Stored XSS via Attribute-View Field Nam - CVE-2026-73050
SiYuan before v3.7.4 Stored XSS via select option color - CVE-2026-73044
SiYuan before v3.7.4 Stored Cross-Site Scripting via Column
V. Comments for CVE-2026-61876
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