CVE-2026-13623 - Vulnerability Details - OpenCVE

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Theme API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users with administrator privileges to read or write limited files.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00193.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.synology.com/en-global/security/advisory/Synology_SA_26_13

History

Fri, 18 Sep 2026 12:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 18 Sep 2026 08:45:00 +0000

Type	Values Removed	Values Added
Description		An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Theme API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users with administrator privileges to read or write limited files.
Weaknesses		CWE-79
References		https://www.synology.com/en-global/security/advisory/Synology_SA_26_13
Metrics		cvssV3_1 `{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: synology

Published: 2026-09-18T08:22:41.916Z

Updated: 2026-09-18T11:28:39.237Z

Reserved: 2026-06-29T09:42:48.084Z

Link: CVE-2026-13623

Vulnrichment

Updated: 2026-09-18T11:25:49.111Z

NVD

Status : Received

Published: 2026-09-18T09:16:38.500

Modified: 2026-09-18T12:17:22.993

Link: CVE-2026-13623

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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