Description
WordPress Plugin Like Button Rating-LikeBtn is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently set any option. WordPress Plugin Like Button Rating-LikeBtn version 2.5.3 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.5.4 or latest
References
https://advisories.dxw.com/advisories/likebtn-set-any-option/
https://plugins.svn.wordpress.org/likebtn-like-button/trunk/readme.txt