CVE-2021-46558: Issabel Pbx

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in the Add User module of Issabel PBX 20200102 allows attackers to execute arbitrary web scripts or HTML via a crafted payload inserted into the username and password fields.

Affected products

• Issabel Pbx: version 20200102 only

Published 2022-02-15. Last modified 2026-06-17.