CVE-2019-19851 Cross-site scripting in n/a
Cross-site scripting in the Superfecta module allows attackers to execute scripts in admin sessions, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-19851?
CVE-2019-19851 is a medium-severity cross-site scripting vulnerability in Sangoma Freepbx, published on 16 Mar 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
An XSS Injection vulnerability exists in Sangoma FreePBX and PBXact 13, 14, and 15 within the Debug/Test page of the Superfecta module at the admin/config.php?display=superfecta URI. This affects Superfecta through 13.0.4.7, 14.x through 14.0.24, and 15.x through 15.0.2.20.
Weakness: CWE-79
Which versions are affected by CVE-2019-19851?
It affects 1 product.
Products include Sangoma Freepbx.
How do I fix CVE-2019-19851?
No fix has been published for CVE-2019-19851 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-19851 being exploited?
There is no known exploitation of CVE-2019-19851 in the wild and no public exploit code.
Other vulnerabilities in Sangoma Freepbx
- CVE-2025-57819 Sangoma FreePBX Authentication Bypass
- CVE-2019-19006 Sangoma FreePBX Improper Authentication
- CVE-2026-73663 FreePBX: Unauthenticated SQL injection in FreePBX missedcall via inbound Caller ID name leads to administrator takeover
- CVE-2026-73665 FreePBX UCP: Unauthenticated remote code execution via socket.io namespace auth bypass and AMI action injection
- CVE-2026-46376 FreePBX: Unauthenticated Use of Hard-Coded Credentials Vulnerability in FreePBX UCP Interface
Sources
Also known as GHSA-3m66-g4vg-fpcq.