Summary
Acunetix 360 identified a version disclosure in the WordPress plugin and detected that it is out of date.
These plugins are used to extend the functionality of WordPress and are mostly developed by external developers and not by the WordPress maintainers. It is advised to keep the number of plugins at the required minimum to avoid increasing the attack surface.
This information can help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of WordPress Plugin discovered.
Impact
Since this is an old version of the plugin, it may be vulnerable to attacks.