What is CVE-2017-7636?

CVE-2017-7636 is a medium-severity vulnerability in QNAP Nas Proxy Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-05.

How severe is CVE-2017-7636?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in QNAP Nas Proxy Server

CVE-2017-7636

Cross-site scripting (XSS) vulnerability in QNAP NAS application Proxy Server through version 1.2.0 allows remote attackers to inject arbitrary web script or HTML.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (66.5th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · change: -0.000

Affected products

QNAP Nas Proxy Server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.qnap.com/en/security-advisory/nas-201806-01 (Vendor Advisory)
www.securitytracker.com/id/1041025 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-7636?: CVE-2017-7636 is a medium-severity vulnerability in QNAP Nas Proxy Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-05.
How severe is CVE-2017-7636?: Medium severity. CVSS v3 base score is 6.1 out of 10.