The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘_id’ parameter in all versions up to, and including, 3.10.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Event Calendar widget in all versions up to, and including, 3.10.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Image Stack Group widget in all versions up to, and including, 3.10.7 due to insufficient input sanitization and output escaping on user supplied 'tooltip_position' attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Missing Authorization vulnerability in Leevio Happy Addons for Elementor.This issue affects Happy Addons for Elementor: from n/a through 3.10.1.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via HTML tags in widgets in all versions up to, and including, 3.10.5 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Image Stack Group, Photo Stack, & Horizontal Timeline widgets in all versions up to, and including, 3.10.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Calendly widget in all versions up to, and including, 3.10.5 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Leevio Happy Addons for Elementor allows Stored XSS.This issue affects Happy Addons for Elementor: from n/a through 3.10.4.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Calendy widget in all versions up to, and including, 3.10.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Post Title HTML Tag in all versions up to, and including, 3.10.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.