CVE-2023-37190: Issabel Pbx

Medium severity, CVSS 4.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in Issabel issabel-pbx v.4.0.0-6 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Virtual Fax Name and Caller ID Name parameters under the New Virtual Fax feature.

Affected products

• Issabel Pbx: version 4.0.0-6 only

Published 2023-07-11. Last modified 2026-06-17.