Zero-day vulnerability in FreePBX

SQL injection
CVE-2025-57819

Vulnerability details

Advisory: SB2025082906 - SQL injection in FreePBX

Vulnerable component: FreePBX

CVE-ID: CVE-2025-57819

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Description:

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient sanitization of user-supplied data within the endpoint module. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands, leading to system compromise.

Note, the vulnerability is being actively exploited in the wild since August 21, 2025.

External links:

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.