The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
The remote host is vulnerable to multiple attack vectors.
The remote host is running a version of PHP prior to 5.2.4. This version of PHP is vulnerable to at least 120 distinct security flaws impacting confidentiality, integrity and availability.