CVE-2025-59898 MEDIUM

CVE-2025-59898: Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server

Vendor Flexense
Product Sync Breeze Enterprise Server
Weakness CWE-79 · XSS
Published January 28, 2026
Last update January 28, 2026
View on NVD All CVEs

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in '/add_exclude_dir?sid=', affecting the 'exclude_dir' parameter.

Key dates

02Disclosure timeline

January 28, 2026 CVE published
January 28, 2026 Record updated