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CVE-2025-59899

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

Published: Jan 28, 2026Updated: Feb 10, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
0.2%
Top 93.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

diskpulseflexense
Mixed
Enterprise Software / itsm-monitoring
syncbreezeflexense
On-premDesktop App
Enterprise Software
Sync Breeze Enterprise ServerFlexense
Mixed
Enterprise Software / itsm-monitoring
Disk Pulse EnterpriseFlexense
Mixed
Enterprise Software / itsm-monitoring
flexensecommercialEnterprise Softwareaka syncbreeze, diskpulse, disk pulse enterprise

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-flexense-products
incibe.es

Timeline

Published
Jan 28, 2026
Last Updated
Feb 10, 2026

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