Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page.
If a benign user with appropriate rights accesses the "Motion Control Diagnostics" parameters page, the malicious code would be executed in the scope of their web session.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 12 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 12 May 2026 10:45:00 +0000

Type Values Removed Values Added
Title Authenticated XSS Vulnerability in Siemens Motion Control Diagnostics Web Interface

Tue, 12 May 2026 09:30:00 +0000

Type Values Removed Values Added
Description Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a benign user with appropriate rights accesses the "Motion Control Diagnostics" parameters page, the malicious code would be executed in the scope of their web session.
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2026-05-12T12:44:38.194Z

Reserved: 2026-02-05T19:53:27.492Z

Link: CVE-2026-25787

cve-icon Vulnrichment

Updated: 2026-05-12T12:44:17.354Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-12T10:16:44.610

Modified: 2026-05-12T14:19:41.400

Link: CVE-2026-25787

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T10:30:13Z

Weaknesses