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.

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History

Tue, 14 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 14 Jul 2026 22:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:openwrt:luci:*:*:*:*:*:*:*:*

Sun, 12 Jul 2026 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Openwrt
Openwrt luci
Vendors & Products Openwrt
Openwrt luci

Sun, 12 Jul 2026 12:15:00 +0000

Type Values Removed Values Added
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.
Title LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-07-14T22:03:45.641Z

Reserved: 2026-07-10T21:54:26.760Z

Link: CVE-2026-61876

cve-icon Vulnrichment

Updated: 2026-07-14T14:46:27.827Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-23T06:00:14Z

Weaknesses