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.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 09 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 05 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Advantech
Advantech wise-deviceon
Vendors & Products Advantech
Advantech wise-deviceon

Fri, 05 Dec 2025 17:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Advantech WISE-DeviceOn Server < 5.4 Authenticated Stored XSS via action/defined
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-09T20:43:04.739Z

Reserved: 2025-04-15T19:15:22.578Z

Link: CVE-2025-34257

cve-icon Vulnrichment

Updated: 2025-12-09T20:42:59.971Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-05T18:15:55.220

Modified: 2025-12-08T18:26:49.133

Link: CVE-2025-34257

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-05T20:56:09Z

Weaknesses