Description
An unauthenticated remote attacker can perform a XSS attack on a logged in backend user allowing for execution of multiple critical system actions. This could allow an attacker to shutdown the server or restore an uploaded backup. This can result in a loss of integrity and availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| MB connect line | mbCONNECT24 | 2.0.0 – < 2.21.0 | 2.21.0 |
| MB connect line | mymbCONNECT24 | 2.0.0 – < 2.21.0 | 2.21.0 |
| Helmholz | myREX24V2 | 2.0.0 – < 2.21.0 | 2.21.0 |
| Helmholz | myREX24V2.virtual | 2.0.0 – < 2.21.0 | 2.21.0 |
Advisories 2
- VDE-2026-141 Helmholz: Multiple Vulnerabilities in myREX24V2/myREX24V2.virtual CERT@VDE · Nov 10, 2026
- VDE-2026-079 MB connect line: Multiple Vulnerabilities in mbCONNECT24/mymbCONNECT24 CERT@VDE · Nov 10, 2026