Wiesemann & Theis: Multiple W&T Products are vulnerable to cross-site-scripting
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
An low privileged remote Attacker can execute arbitrary web scripts or HTML via a crafted payload injected into several fields of the configuration webpage with limited impact.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00289 21st percentileScored 2026-11-07
Fix Fixed Web-Count 6x Digital (Wiesemann & Theis): 3.79Web-IO Digital 12xIn, 12xOut (Wiesemann & Theis): 4.08+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Wiesemann & Theis | ERP-Gateway 12x Digital Input, 6x Digital Relais | all | — | No fix listed | CNA |
| Wiesemann & Theis | ERP-Gateway 2x Digital Input, 2x Digital Output | all | — | No fix listed | CNA |
| Wiesemann & Theis | ERP-Gateway 2x Digital PoE | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Alarm 6x6 DigitalWeb-Alarm 6x6 Digital | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Count 6x Digital | before 3.79 | 3.79 | Patch available | CNA |
| Wiesemann & Theis | Web-Graph Air Quality | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO 12x Digital Input, 6x Digital Relais | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO 12x Digital Input, 6x Digital Relais | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO 12x Digital Input, 6x Digital Relais | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Analog-In/Out 2x 0/4..20mA PoE | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 12xIn, 12xOut | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 12xIn, 12xOut | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 12xIn, 12xOut | before 4.08 | 4.08 | Patch available | CNA |
| Wiesemann & Theis | Web-IO Digital 12xIn, 12xOut, 1xRS232 | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 12xIn, 12xOut, 1xRS232 | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 2xIn, 2xOut | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 2xIn, 2xOut | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital 2xIn, 2xOut | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-IO Digital Logger 6xIn, 6xOut | before 3.70 | 3.70 | Patch available | CNA |
| Wiesemann & Theis | Web-Thermograph 2x | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermograph 8x | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermograph NTC | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermograph NTC PoE | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermograph Pt100 / Pt1000 | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermograph Pt100 / Pt1000 PoE | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermograph Relais | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermo-Hygrobarograph | all | — | No fix listed | CNA |
| Wiesemann & Theis | Web-Thermo-Hygrograph | all | — | No fix listed | CNA |
- ERP-Gateway 12x Digital Input, 6x Digital Relais VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- ERP-Gateway 2x Digital Input, 2x Digital Output VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- ERP-Gateway 2x Digital PoE VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Alarm 6x6 DigitalWeb-Alarm 6x6 Digital VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Count 6x Digital VendorWiesemann & Theis Affected before 3.79 Fixed in 3.79 Patch available CNA
- Web-Graph Air Quality VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO 12x Digital Input, 6x Digital Relais VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO 12x Digital Input, 6x Digital Relais VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO 12x Digital Input, 6x Digital Relais VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Analog-In/Out 2x 0/4..20mA PoE VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 12xIn, 12xOut VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 12xIn, 12xOut VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 12xIn, 12xOut VendorWiesemann & Theis Affected before 4.08 Fixed in 4.08 Patch available CNA
- Web-IO Digital 12xIn, 12xOut, 1xRS232 VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 12xIn, 12xOut, 1xRS232 VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 2xIn, 2xOut VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 2xIn, 2xOut VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital 2xIn, 2xOut VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-IO Digital Logger 6xIn, 6xOut VendorWiesemann & Theis Affected before 3.70 Fixed in 3.70 Patch available CNA
- Web-Thermograph 2x VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermograph 8x VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermograph NTC VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermograph NTC PoE VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermograph Pt100 / Pt1000 VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermograph Pt100 / Pt1000 PoE VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermograph Relais VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermo-Hygrobarograph VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
- Web-Thermo-Hygrograph VendorWiesemann & Theis Affected all Fixed in — No fix listed CNA
Remediation
- Fix · CNA Web-Count 6x Digital (Wiesemann & Theis) Fixed in 3.79
- Fix · CNA Web-IO Digital 12xIn, 12xOut (Wiesemann & Theis) Fixed in 4.08
- Fix · CNA Web-IO Digital Logger 6xIn, 6xOut (Wiesemann & Theis) Fixed in 3.70
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3020
- 2026-10-03 Alias added: GHSA-wj33-6r5j-2626
References
More Wiesemann & Theis vulnerabilities
- TI-2025-02799 Com-Server Exposed via Weak TLS CVSS 3.1CRITICAL 9.1
- TI-2022-20802 Wiesemann & Theis: Authentication bypass in Com-Server family CVSS 3.1CRITICAL 9.8
- TI-2022-20804 Wiesemann & Theis: Small number space for allocating session id in Com-Server family CVSS 3.1HIGH 8.8
- TI-2025-27652 Wiesemann & Theis: Motherbox 3 allows unauthenticated read-only DB access CVSS 3.1HIGH 7.5
- TI-2024-16794 Wiesemann & Theis: Multiple products prone to unquoted search path CVSS 3.1HIGH 7.8
- TI-2022-03746 Wiesemann & Theis: Multiple products prone to missing authentication through spoofing CVSS 3.1HIGH 8.0
Sources
- CVE-2025-3020 · CVE Program
- CVE-2025-3020 · NVD
- FIRST EPSS
- GHSA-wj33-6r5j-2626 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences