CVE-2025-55209: FreePBX UCP is Vulnerable to Stored XSS Through its User Control Panel
contactmanager is a module for FreePBX@, which is an open source GUI that controls and manages Asterisk© (PBX). In versions 15.0.14 and below, 16.0.0 through 16.0.26.4 and 17.0.0 through 17.0.5, a stored cross-site scripting (XSS) vulnerability in FreePBX allows a low-privileged User Control Panel (UCP) user to inject malicious JavaScript into the system. The malicious code executes in the context of an administrator when they interact with the affected component, leading to session hijacking and potential privilege escalation. This issue is fixed in versions 15.0.14, 16.0.27 and 17.0.6.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-55209?
CVE-2025-55209 is classified as a medium severity stored cross-site scripting (XSS) vulnerability.
How do I fix CVE-2025-55209?
To fix CVE-2025-55209, upgrade your FreePBX instance to version 15.0.15 or newer, or version 16.0.27 or newer, or version 17.0.6 or newer.
Which versions of FreePBX are affected by CVE-2025-55209?
CVE-2025-55209 affects FreePBX versions 15.0.14 and below, 16.0.0 through 16.0.26.4, and 17.0.0 through 17.0.5.
What type of vulnerability is CVE-2025-55209?
CVE-2025-55209 is a stored cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts.
Who is impacted by CVE-2025-55209?
Low-privileged users of FreePBX may be impacted by CVE-2025-55209, as they can exploit the XSS vulnerability.