Advantech WISE-DeviceOn Server up to 5.3 /rmm/v1/action/defined defined_name cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WISE-DeviceOn Server up to 5.3 and classified as problematic. This affects an unknown function of the file /rmm/v1/action/defined. Such manipulation of the argument defined_name leads to cross site scripting. This vulnerability is uniquely identified as CVE-2025-34257. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Advantech WISE-DeviceOn Server up to 5.3 and classified as problematic. Affected by this issue is an unknown code of the file /rmm/v1/action/defined. The manipulation of the argument defined_name 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:

Advantech WISE-DeviceOn Server versions prior to 5.4 contain a stored cross-site scripting (XSS) vulnerability in the /rmm/v1/action/defined endpoint. When an authenticated user creates a task, the defined_name value is stored and later rendered in the Overview page without HTML sanitization. An attacker can inject malicious script into defined_name, which is then executed in the browser context of users who view the affected task, potentially enabling session compromise and unauthorized actions as the victim.

The weakness was disclosed by Alex Williams. The advisory is available at advcloudfiles.advantech.com. This vulnerability is handled as CVE-2025-34257 since 04/15/2025. 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.

Upgrading to version 5.4 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

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: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WISE-DeviceOn Server 5.4

Timelineinfo

04/15/2025 CVE reserved
12/06/2025 +235 days Advisory disclosed
12/06/2025 +0 days VulDB entry created
12/12/2025 +6 days VulDB entry last update

Sourcesinfo

Vendor: advantech.com

Advisory: advcloudfiles.advantech.com
Researcher: Alex Williams
Status: Confirmed

CVE: CVE-2025-34257 (🔒)
GCVE (CVE): GCVE-0-2025-34257
GCVE (VulDB): GCVE-100-334562

Entryinfo

Created: 12/06/2025 05:05
Updated: 12/12/2025 06:12
Changes: 12/06/2025 05:05 (69), 12/12/2025 06:12 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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