CVE-2018-8917

Severity: medium (CVSS 5.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-12-24 · updated 2026-06-17
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in info.cgi in Synology DiskStation Manager (DSM) before 6.1.6-15266 allows remote attackers to inject arbitrary web script or HTML via the host parameter.

Affected products

Synology DiskStation Manager: before 6.1.6-15266 — fixed in 6.1.6-15266

How to fix

Upgrade to a fixed version: Synology DiskStation Manager 6.1.6-15266. Check the vendor advisory for mitigations.

References

https://www.synology.com/security/advisory/Synology_SA_18_14
https://www.synology.com/security/advisory/Synology_SA_18_14

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