CVE-2019-11827

Name: CVE-2019-11827
Creator: NVD / NIST
Published: 2019-06-30T15:15:09.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2019-11827 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross-site scripting (XSS) vulnerability in SYNO.NoteStation.Shard in Synology Note Station before 2.5.3-0863 allows remote attackers to inject arbitrary web script or HTML via the object_id parameter.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in SYNO.NoteStation.Shard in Synology Note Station before 2.5.3-0863 allows remote attackers to inject arbitrary web script or HTML via the object_id parameter.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.80%

52.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Synology	Note Station	< 2.5.3-0863

References

https://www.synology.com/security/advisory/Synology_SA_19_08Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_19_08Vendor Advisory

Timeline

Published: Jun 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11827?

How severe is CVE-2019-11827?

CVE-2019-11827 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11827?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11827?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST