Stored XSS Vulnerability in Advantech WISE-DeviceOn Server Software
CVE-2025-34258

5.1MEDIUM

Key Information:

Vendor

Advantech Co., Ltd.

Status
Wise-deviceon Server
Vendor
CVE Published:
5 December 2025

What is CVE-2025-34258?

Advantech WISE-DeviceOn Server prior to version 5.4 displays a stored cross-site scripting (XSS) vulnerability at the /rmm/v1/devicemap/plan endpoint. An authenticated user can add an area with a name that, due to a lack of proper HTML sanitization, can contain malicious scripts. This vulnerability allows attackers to inject scripts that execute in the context of users who view the affected map entry, facilitating session hijacking and unauthorized user actions.

Affected Version(s)

WISE-DeviceOn Server 0 < 5.4

References

https://advcloudfiles.advantech.com/cms/2ca1b071-fd78-4d7...
vendor-advisorypatch
https://docs.deviceon.advantech.com/docs/resource/
product
https://www.vulncheck.com/advisories/advantech-wise-devic...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alex Williams from Pellera Technologies
JSON
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CVE-2025-34258 : Stored XSS Vulnerability in Advantech WISE-DeviceOn Server Software