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Vulnerabilities CVE-2025-34265

CVE-2025-34265

Medium
Open
TLP:CLEAR

Advantech WISE-DeviceOn Server < 5.4 Authenticated Stored XSS via rule-engines

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Description

Advantech WISE-DeviceOn Server versions prior to 5.4 contain a stored cross-site scripting (XSS) vulnerability in the /rmm/v1/rule-engines endpoint. When an authenticated user creates or updates a rule for an agent, the rule fields min, max, and unit are stored and later rendered in rule listings or detail views without proper HTML sanitation. An attacker can inject malicious script into one or more of these fields, which is then executed in the browser context of users who view or interact with the affected rule, potentially enabling session compromise and unauthorized actions as the victim.

Details

CVSS Score
5.1
EPSS Score
0.20%

9.7th percentile

CVSS 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
Confidence
90%
Published
Dec 5, 2025
Last Modified
Aug 14, 2026
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