CVE-2017-7634 — Cross-site scripting (XSS) vulnerability in QNAP NAS application Media Streaming

Cross-site scripting (XSS) vulnerability in QNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier allows remote attackers to inject arbitrary web script or HTML. The injected code will only be triggered by a crafted link, not the normal page.

01What is this vulnerability?

Cross-site scripting (XSS) vulnerability in QNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier allows remote attackers to inject arbitrary web script or HTML. The injected code will only be triggered by a crafted link, not the normal page.

02Affected products

Vendor	Product	Versions
QNAP	QNAP Media Streaming Add	On — 421.1.0.2, 430.1.2.0, and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-03-08T14:00:00.000Z
• Last modified: 2024-09-16T20:11:44.263Z

09References

• www.qnap.com — https://www.qnap.com/zh-tw/security-advisory/nas-201803-08