WordPress Plugin Sticky Menu, Sticky Header (or anything!) on Scroll is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin Sticky Menu, Sticky Header (or anything!) on Scroll version 2.2 is vulnerable; prior versions may also be affected.
Update to plugin version 2.21 or latest