What is CVE-2019-16967?

CVE-2019-16967 is a medium-severity vulnerability in Freepbx Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-10-21.

How severe is CVE-2019-16967?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Freepbx Manager

CVE-2019-16967

An issue was discovered in Manager 13.x before 13.0.2.6 and 15.x before 15.0.6 before FreePBX 14.0.10.3. In the Manager module form (html\admin\modules\manager\views\form.php), an unsanitized managerdisplay variable coming from the URL is reflected in HTML, leading to XSS. It can be requested via GET request to /config.php?type=tool&display=manager.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-10-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Freepbx Manager — versions 13.0.1
Sangoma Freepbx

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

issues.freepbx.org/browse/FREEPBX-20436 (Exploit, Vendor Advisory)
github.com/FreePBX/manager/commit/071a50983ca6a373bb2d1d3db68e9eda4667a372 (Patch, Third Party Advisory)
resp3ctblog.wordpress.com/2019/10/19/freepbx-xss-2/ (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-16967?: CVE-2019-16967 is a medium-severity vulnerability in Freepbx Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-10-21.
How severe is CVE-2019-16967?: Medium severity. CVSS v3 base score is 6.1 out of 10.