Security readout for executives and security teams
Plain-English summary
An authenticated user can plant malicious content in a WISE-DeviceOn dashboard entry. When another user views or interacts with that dashboard, browser-executed script could compromise their session or perform unauthorized actions with their privileges.
Executive priority
Schedule prompt remediation, prioritizing shared or administrator-used dashboards. This is not presented as an emergency internet-wide threat, but authenticated insiders or compromised accounts could target more privileged users and expand their access.
Technical view
WISE-DeviceOn Server before 5.4 improperly sanitizes stored label and path values submitted through /rmm/v1/plugin-config/dashboards/menus. The values are later rendered in the dashboard UI, creating authenticated stored cross-site scripting. CVSS 4.0 is 5.1, with low confidentiality and integrity impacts and no availability impact.
Likely exposure
Exposure requires WISE-DeviceOn Server earlier than 5.4 and an authenticated account able to add or edit dashboard entries. Risk increases where lower-trust users share dashboards with administrators or other privileged users. The supplied structured version data is inconsistent, so confirm deployed versions directly.
Exploitation context
The bundle does not establish active exploitation, and the CVE is not identified as KEV. Exploitation requires authenticated access and a victim to view or interact with the affected dashboard, limiting reach but enabling privilege-context abuse through stored browser script.
Researcher notes
CWE-79 applies. The supplied affected record lists version "0" with default status unaffected, conflicting with the narrative statement that versions before 5.4 are vulnerable. Treat the narrative and vendor advisory as remediation direction, but verify precise applicability against Advantech documentation and deployment metadata.
Mitigation direction
- Upgrade WISE-DeviceOn Server to version 5.4 or later following Advantech guidance.
- Restrict dashboard creation and editing to trusted accounts until upgrading.
- Review dashboard label and path values for unexpected HTML or script-like content.
- Revoke suspicious sessions and rotate affected credentials if compromise is suspected.
Validation and detection
- Inventory WISE-DeviceOn Server deployments and record their exact versions.
- Confirm every deployment runs version 5.4 or later.
- Audit access roles permitted to add or edit dashboard entries.
- Inspect stored dashboard configuration for unauthorized or anomalous label and path values.
- Verify the dashboard UI safely treats untrusted values as text after remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-34263 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.1 (4.0)
- Known Exploited
- No
- Published
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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://advcloudfiles.advantech.com/cms/2ca1b071-fd78-4d7f-8a2a-7b4537a95d19/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----DeviceOn-20251208-2.pdfCVE reference, VulnCheck · vendor-advisory, patch
- https://docs.deviceon.advantech.com/docs/resource/CVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/advantech-wise-deviceon-server-authenticated-stored-xss-via-pluginconfig-dashboards-menusCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.