CVE-2026-40541

Published: Aug 28, 2026Modified: Sep 1, 2026

9.0

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Exploitability: 2.3 / Impact: 6.0

Source: security@synology.com (Secondary)

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 arbitrary files and conduct denial-of-service attacks in DSM.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (1)

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

Source: security@synology.com

Timeline

No history available yet.