CVE-2026-13623CWE-79cross-site-scripting

CVE-2026-13623

Medium · published September 18, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
15.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00249 · 15.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-18T13:16Z
References (1)
https://www.synology.com/en-global/security/advisory/Synology_SA_26_13 · [email protected]
EPSS history
Timeline
  • 19 SEP 03:50Z
    EPSS moved — → 0%
    epss
  • 18 SEP 08:22Z
    An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Theme API in Synology DiskStation Manager (DSM) before…
    cvelistv5