Input validation vulnerability in Migration, Backup, Staging – WPvivid 0.9.89

The Migration, Backup, Staging – WPvivid plugin for WordPress has a vulnerability that could allow an attacker with administrator-level permissions to inject malicious code into pages. This vulnerability affects multi-site installations and installations where the feature to allow HTML code for certain users has been disabled. The issue exists due to the plugin not properly filtering or escaping input from the administrator settings in versions up to and including 0.9.89.