Flexense Sync Breeze Enterprise Server 10.4.18 /server_options cross site scripting

Summaryinfo

A vulnerability has been found in Flexense Sync Breeze Enterprise Server and Disk Pulse Enterprise 10.4.18 and classified as problematic. This affects an unknown part of the file /server_options. This manipulation of the argument tasks_logs_dir/errors_logs_dir/error_notifications_address/status_notifications_address/status_reports_address causes cross site scripting. This vulnerability appears as CVE-2025-59899. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Flexense Sync Breeze Enterprise Server and Disk Pulse Enterprise 10.4.18. It has been declared as problematic. Affected by this vulnerability is an unknown part of the file /server_options. The manipulation of the argument tasks_logs_dir/errors_logs_dir/error_notifications_address/status_notifications_address/status_reports_address with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. 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. As an impact it is known to affect integrity. The summary by CVE is:

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.

The weakness was presented by Rafael Pedrero. The advisory is shared at incibe.es. This vulnerability is known as CVE-2025-59899 since 09/23/2025. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Flexense

Name

• Disk Pulse Enterprise
• Sync Breeze Enterprise Server

Version

• 10.4.18

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