CVE-2026-9548 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Related Weaknesses (CWE)

CWE-79

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_10

FAQ

What is CVE-2026-9548?

CVE-2026-9548 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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, vi...

How severe is CVE-2026-9548?

CVE-2026-9548 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9548?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.