VDB-343214 · CVE-2025-59898 · GCVE-0-2025-59898

Flexense Sync Breeze Enterprise Server 10.4.18 /add_exclude_dir cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Flexense Sync Breeze Enterprise Server and Disk Pulse Enterprise 10.4.18 and classified as problematic. This vulnerability affects unknown code of the file /add_exclude_dir. Such manipulation of the argument exclude_dir leads to cross site scripting. This vulnerability is traded as CVE-2025-59898. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Flexense Sync Breeze Enterprise Server and Disk Pulse Enterprise 10.4.18. It has been rated as problematic. Affected by this issue is an unknown code of the file /add_exclude_dir. The manipulation of the argument exclude_dir with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

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.

The weakness was shared by Rafael Pedrero. The advisory is available at incibe.es. This vulnerability is handled as CVE-2025-59898 since 09/23/2025. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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

Version

10.4.18

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/23/2025 CVE reserved
01/28/2026 +127 days Advisory disclosed
01/28/2026 +0 days VulDB entry created
02/11/2026 +14 days VulDB entry last update

Sourcesinfo

Advisory: incibe.es
Researcher: Rafael Pedrero
Status: Not defined

CVE: CVE-2025-59898 (🔒)
GCVE (CVE): GCVE-0-2025-59898
GCVE (VulDB): GCVE-100-343214

Entryinfo

Created: 01/28/2026 14:23
Updated: 02/11/2026 04:16
Changes: 01/28/2026 14:23 (67), 02/11/2026 04:16 (11)
Complete: 🔍
Cache ID: 216::103