The demon image annotation plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.7. This is due to missing nonce validation in the ~/includes/settings.php file. This makes it possible for unauthenticated attackers to modify the plugin's settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The demon image annotation plugin for WordPress is vulnerable to improper input validation in versions up to, and including 5.0. This is due to the plugin improperly validating the number of characters supplied during an annotation despite there being a setting to limit the number characters input. This means that unauthenticated attackers can bypass the length restrictions and input more characters than allowed via the settings.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Demonisblack demon image annotation allows SQL Injection.This issue affects demon image annotation: from n/a through 5.1.