CVE-2019-16966

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-10-21 · updated 2026-06-17
Weakness: CWE-79

Description

An issue was discovered in Contactmanager 13.x before 13.0.45.3, 14.x before 14.0.5.12, and 15.x before 15.0.8.21 for FreePBX 14.0.10.3. In the Contactmanager class (html\admin\modules\contactmanager\Contactmanager.class.php), an unsanitized group variable coming from the URL is reflected in HTML on 2 occasions, leading to XSS. It can be requested via a GET request to /admin/ajax.php?module=contactmanager.

Affected products

FreePBX Contactmanager: from 13.0.2 before 13.0.45.3; from 14.0.1.1 before 14.0.5.12; from 15.0.2 before 15.0.8.21; 13.0.0-beta1, 13.0.0-beta2, 13.0.0-beta3, 13.0.0-beta4, 13.0.0-beta5, 14.0.1 (+5) — fixed in 13.0.45.3, 14.0.5.12, 15.0.8.21
Sangoma FreePBX: 14.0.10.3

How to fix

Upgrade to a fixed version: FreePBX Contactmanager 13.0.45.3, 14.0.5.12, 15.0.8.21. Check the vendor advisory for mitigations.

References

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