CVE-2017-15890

Severity: medium (CVSS 4.8 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: 2017-12-15 · updated 2026-06-17
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in Disclaimer in Synology MailPlus Server before 1.4.0-0415 allows remote authenticated users to inject arbitrary web script or HTML via the NAME parameter.

Affected products

Synology MailPlus Server: before 1.4.0-0415 — fixed in 1.4.0-0415

How to fix

Upgrade to a fixed version: Synology MailPlus Server 1.4.0-0415. Check the vendor advisory for mitigations.

References

https://www.synology.com/en-global/support/security/Synology_SA_17_75
https://www.synology.com/en-global/support/security/Synology_SA_17_75

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