The WP ULike – The Ultimate Engagement Toolkit for Websites plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.7.4. This is due to missing or incorrect nonce validation on the wp_ulike_delete_history_api() function. This makes it possible for unauthenticated attackers to delete engagements via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The WP ULike – Most Advanced WordPress Marketing Toolkit plugin for WordPress is vulnerable to SQL Injection via the 'status' and 'id' attributes of the 'wp_ulike_counter' and 'wp_ulike' shortcodes in all versions up to, and including, 4.6.9 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The WP ULike – Most Advanced WordPress Marketing Toolkit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a user's display name in all versions up to, and including, 4.6.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The WP ULike plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_ulike' shortcode in all versions up to, and including, 4.6.9 due to insufficient input sanitization and output escaping on the user supplied 'wrapper_class' 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.