CVE-2025-59899

Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server

Published Jan 28, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
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  '/server_options?sid=', affecting the 'tasks_logs_dir', 'errors_logs_dir', 'error_notifications_address', 'status_notifications_address', and 'status_reports_address' parameters.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Flexense diskpulse
Flexense syncbreeze
CPEs cpe:2.3:a:flexense:diskpulse:10.4.18:*:*:*:enterprise:*:*:*
cpe:2.3:a:flexense:syncbreeze:10.4.18:*:*:*:enterprise:*:*:*
Vendors & Products Flexense diskpulse
Flexense syncbreeze
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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  '/server_options?sid=', affecting the 'tasks_logs_dir', 'errors_logs_dir', 'error_notifications_address', 'status_notifications_address', and 'status_reports_address' parameters.
Title Authenticated Cross-Site Scripting (XSS) vulnerability in Sync Breeze Enterprise Server
First Time appeared Flexense
Flexense disk Pulse Enterprise
Flexense sync Breeze Enterprise Server
Weaknesses CWE-79
CPEs cpe:2.3:a:flexense:disk_pulse_enterprise:v10.4.18:*:*:*:*:*:*:*
cpe:2.3:a:flexense:sync_breeze_enterprise_server:v10.4.18:*:*:*:*:*:*:*
Vendors & Products Flexense
Flexense disk Pulse Enterprise
Flexense sync Breeze Enterprise Server
References
Metrics cvssV4_0

{'score': 5.1, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Jan 28, 2026, 3:26 PM
Reserved
Sep 23, 2025, 10:22 AM
Status
Analyzed
Published
Jan 28, 2026, 12:15 PM
Modified
Jun 17, 2026, 9:46 AM