October 30, 2026

CVE Watchtower

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CVE-2026-13623NVD

Vulnerability Summary

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.
Severity Level
MEDIUM(4.8)
Published Date
Sep 18, 2026
Last Modified
Sep 18, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.25%Probability
Root Weakness (CWE)
CWE-79: Cross-site Scripting (XSS) ↗
The software does not neutralize user-controllable input before it is placed in output that is used as a web page.
CVSS v3.1 Base Metrics — Score 4.8 (MEDIUM)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • Synology DiskStation Manager (DSM) >= 7.4 and < 7.4-90075
  • Synology DiskStation Manager (DSM) >= 7.3.2 and < 7.3.2-86009-4
  • Synology DiskStation Manager (DSM) >= 7.2.2 and < 7.2.2-72806-9
  • Synology DiskStation Manager (DSM) >= 7.2.1 and < 7.2.1-69057-12
  • Synology DiskStation Manager (DSM) < 7.2.1
Patched Versions
  • Synology DiskStation Manager (DSM) 7.4-90075
  • Synology DiskStation Manager (DSM) 7.3.2-86009-4
  • Synology DiskStation Manager (DSM) 7.2.2-72806-9
  • Synology DiskStation Manager (DSM) 7.2.1-69057-12
  • Synology DiskStation Manager (DSM) 7.2.1
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
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External References