CVE-2017-16771 — Cross-site scripting (XSS) vulnerability in Log Viewer in Synology Photo Station

Cross-site scripting (XSS) vulnerability in Log Viewer in Synology Photo Station before 6.8.3-3463 and before 6.3-2971 allows remote attackers to inject arbitrary web script or HTML via the username parameter.

01What is this vulnerability?

Cross-site scripting (XSS) vulnerability in Log Viewer in Synology Photo Station before 6.8.3-3463 and before 6.3-2971 allows remote attackers to inject arbitrary web script or HTML via the username parameter.

02Affected products

Vendor	Product	Versions
Synology	Photo Station	before 6.8.3-3463, before 6.3-2971

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: 2018-03-22T14:00:00.000Z
• Last modified: 2024-09-16T18:38:52.712Z

09References

• www.synology.com — https://www.synology.com/en-global/support/security/Synology_SA_18_02