CVE-2026-67352
Received Received - Intake

Stored XSS in luci-app-https-dns-proxy via resolver_url Parameter

Publication date: 2026-08-01

Last updated on: 2026-08-01

Assigner: VulnCheck

Description
luci-app-https-dns-proxy contains a stored cross-site scripting vulnerability in the resolver_url parameter that allows authenticated users to inject active HTML. When an administrator views the HTTPS DNS Proxy status page, the resolver URL is rendered as raw HTML and executes JavaScript in the administrator's browser origin.

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Meta Information

Published
2026-08-01
Last Modified
2026-08-01
Generated
2026-08-01
AI Q&A
2026-08-01
EPSS Evaluated
N/A
NVD
CVE-2026-67352
EUVD
EUVD-2026-51867

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability is a stored cross-site scripting (XSS) issue in luci-app-https-dns-proxy. An authenticated user can inject malicious HTML via the resolver_url parameter. When an administrator views the HTTPS DNS Proxy status page, the injected script executes in the administrator's browser, potentially allowing unauthorized actions or data theft.

Detection Guidance

Check the HTTPS DNS Proxy status page in luci-app-https-dns-proxy for any suspicious resolver URLs containing HTML or JavaScript code. Inspect browser console logs when viewing the page for unexpected script executions.

Impact Analysis

If you are an administrator using luci-app-https-dns-proxy, an attacker could steal your session cookies, perform actions on your behalf, or access sensitive data in your browser. Even non-administrative users with access could exploit this to target administrators.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection principles or HIPAA's security requirements. Organizations may face compliance violations, fines, or reputational damage if exploited.

Mitigation Strategies

Update luci-app-https-dns-proxy to the latest patched version. Restrict access to the admin interface to trusted users only. Monitor resolver URLs for unauthorized HTML or JavaScript injection attempts.

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