FreePBX prior 16.0.68.39/17.0.18.38 HTTP Status Page cross site scripting

Summaryinfo

A vulnerability was found in FreePBX. It has been classified as problematic. This impacts an unknown function of the component HTTP Status Page. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2025-59429. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in FreePBX. This affects an unknown code block of the component HTTP Status Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

FreePBX is an open source GUI for managing Asterisk. In versions prior to 16.0.68.39 for FreePBX 16 and versions prior to 17.0.18.38 for FreePBX 17, a reflected cross-site scripting vulnerability is present on the Asterisk HTTP Status page. The Asterisk HTTP status page is exposed by FreePBX and is available by default on version 16 via any bound IP address at port 8088. By default on version 17, the binding is only to localhost IP, making it significantly less vulnerable. The vulnerability can be exploited by unauthenticated attackers to obtain cookies from logged-in users, allowing them to hijack a session of an administrative user. The theft of admin session cookies allows attackers to gain control over the FreePBX admin interface, enabling them to access sensitive data, modify system configurations, create backdoor accounts, and cause service disruption. This issue has been patched in version 16.0.68.39 for FreePBX 16 and version 17.0.18.38 for FreePBX 17.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-59429 since 09/15/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 16.0.68.39 or 17.0.18.38 eliminates this vulnerability.

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Productinfo

Name

• FreePBX

License

• open-source

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