The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Page 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.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via several widgets in all versions up to, and including, 3.10.4 due to insufficient input sanitization and output escaping on the title_tag 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.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Photo Stack Widget in all versions up to, and including, 3.10.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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 unauthorized access of data due to insufficient authorization on the duplicate_thing() function in all versions up to, and including, 3.10.4. This makes it possible for attackers, with contributor-level access and above, to clone arbitrary posts (including private and password protected ones) which may lead to information exposure.

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 3.10.1.

The Happy Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘author_meta_tag’ attribute of the Author Meta widget in all versions up to, and including, 3.10.3 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 ‘archive_title_tag’ attribute of the Archive Title widget in all versions up to, and including, 3.10.3 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 side image URL parameter in the Age Gate in all versions up to, and including, 3.10.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, 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 wrapper link parameter in the Age Gate in all versions up to, and including, 3.10.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with contributor access or higher 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 Reflected Cross-Site Scripting via DOM in all versions up to and including 3.9.1.1 (versions up to 2.9.1.1 in Happy Addons for Elementor Pro) due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.