CVE-2026-9548
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write restricted files and conduct limited denial-of-service attacks in DSM.
| CWE | CWE-79 |
| Vendor | synology |
| Product | synology chat server |
| Published | Aug 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
Synology / Synology Chat Server
* < 2.4.5-22148
References
Credits
Warisse Valentin (Aytio)