CVE-2026-13623
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | synology |
| Product | diskstation manager (dsm) |
| Published | Sep 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Synology / DiskStation Manager (DSM)
7.4 < 7.4-90075 7.3.2 < 7.3.2-86009-4 7.2.2 < 7.2.2-72806-9 7.2.1 < 7.2.1-69057-12
References
Credits
Juhyeop Lee (STEALIEN INC.) https://www.stealien.com