by Kastro
Paper/Archive/CVE-2026-60043

CVE-2026-60043

MB connect line mbCONNECT24 — XSS in backend

CVSS 9.3
critical.is priorityof 100
28
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
mbCONNECT242.0.0 – < 2.21.02.21.0CNA
mymbCONNECT242.0.0 – < 2.21.02.21.0CNA
myREX24V22.0.0 – < 2.21.02.21.0CNA
myREX24V2.virtual2.0.0 – < 2.21.02.21.0CNA

Scores by source

CERTVDE (CNA)9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
CERTVDE (CNA)6.4CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H

References

refcertvde.com/en/advisories/VDE-2026-079refcertvde.com/en/advisories/VDE-2026-141