CVE-2025-41768 (GCVE-0-2025-41768)
Vulnerability from cvelistv5 – Published: 2026-01-20 08:02 – Updated: 2026-01-20 19:32
VLAI?
Title
Beckhoff: XSS Vulnerability in TwinCAT 3 HMI Server
Summary
On an instance of TwinCAT 3 HMI Server running on a device an authenticated administrator can inject arbitrary content into the custom CSS field which is persisted on the device and later returned via the login page and error page.
Severity ?
5.5 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beckhoff Automation | TwinCAT.HMI.Server |
Affected:
0.0.0 , < 14.4.267
(semver)
|
||||||||||||
|
||||||||||||||
Credits
Roby Firnando Yusuf from Jeonbuk National University
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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