XSS in Openwrt Luci
CVE-2026-67352
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Openwrt Luci — versions 0
Weakness classification (CWE)
References
- github.com/openwrt/luci/security/advisories/GHSA-c6vf-395q-4jv6 (vendor-advisory)
- www.vulncheck.com/advisories/luci-app-https-dns-proxy-stored-xss-via-resolver-u… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-67352?
- CVE-2026-67352 is a high-severity vulnerability in Openwrt Luci, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2026-08-01.
- How severe is CVE-2026-67352?
- High severity. CVSS v3 base score is 7.6 out of 10.