CVE-2017-16767 — Cross-site scripting (XSS) vulnerability in User Profile in Synology Surveillanc

Cross-site scripting (XSS) vulnerability in User Profile in Synology Surveillance Station before 8.1.2-5469 allows remote authenticated users to inject arbitrary web script or HTML via the userDesc parameter.

01What is this vulnerability?

Cross-site scripting (XSS) vulnerability in User Profile in Synology Surveillance Station before 8.1.2-5469 allows remote authenticated users to inject arbitrary web script or HTML via the userDesc parameter.

02Affected products

Vendor	Product	Versions
Synology	Surveillance Station	before 8.1.2-5469

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: 2018-02-27T15:00:00.000Z
• Last modified: 2024-09-16T23:26:42.916Z

09References

• www.synology.com — https://www.synology.com/en-global/support/security/Synology_SA_17_77