FusionPBX 4.4.8 allows an attacker to execute arbitrary system commands by submitting a malicious command to the service_edit.php file (which will insert the malicious command into the database). To trigger the command, one needs to call the services.php file via a GET request with the service id followed by the parameter a=start to execute the stored command.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)