The Photo Gallery Slideshow & Masonry Tiled Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.0.15 via the rjg_get_youtube_info_justified_gallery_callback function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to retrieve limited information from internal services.

The Photo Gallery Slideshow & Masonry Tiled Gallery plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter in all versions up to, and including, 1.0.3 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 Administrator-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 Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in I Thirteen Web Solution Photo Gallery Slideshow & Masonry Tiled Gallery plugin <= 1.0.13 versions.

The Photo Gallery Slideshow & Masonry Tiled Gallery plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the search_term parameter in versions up to, and including, 1.0.13 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.