CVE-2017-15892

Severity: medium (CVSS 5.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-28 · updated 2026-06-17
Weakness: CWE-79

Description

Multiple cross-site scripting (XSS) vulnerabilities in Slash Command Creator in Synology Chat before 2.0.0-1124 allow remote authenticated users to inject arbitrary web script or HTML via (1) COMMAND, (2) COMMANDS INSTRUCTION, or (3) DESCRIPTION parameter.

Affected products

Synology Chat: before 2.0.0-1124 — fixed in 2.0.0-1124

How to fix

Upgrade to a fixed version: Synology Chat 2.0.0-1124. Check the vendor advisory for mitigations.

References

https://www.synology.com/en-global/support/security/Synology_SA_17_78
https://www.synology.com/en-global/support/security/Synology_SA_17_78

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