CVE-2023-34637: Isarnet Isarflow

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in IsarNet AG IsarFlow v5.23 allows authenticated attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the dashboard title parameter in the IsarFlow Portal.

Affected products

• Isarnet Isarflow: up to and including 5.23

Published 2023-09-05. Last modified 2026-06-17.