Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in David Lingren Media Library Assistant allows Command Injection.This issue affects Media Library Assistant: from n/a through 3.19.

The Media Library Assistant plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation involving the mla-inline-edit-upload-scripts AJAX action in all versions up to, and including, 3.18. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

The Media Library Assistant plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the order parameter in all versions up to, and including, 3.17 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.

The Media Library Assistant plugin for WordPress is vulnerable to time-based SQL Injection via the ‘order’ parameter within the mla_tag_cloud Shortcode in all versions up to, and including, 3.16 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 Media Library Assistant plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the lang parameter in all versions up to, and including, 3.15 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.

The Media Library Assistant plugin for WordPress is vulnerable to SQL Injection via the plugin's shortcode(s) in all versions up to, and including, 3.15 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 access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Media Library Assistant plugin for WordPress is vulnerable to SQL Injection via the plugin's shortcode(s) in all versions up to, and including, 3.13 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 access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in all versions up to, and including, 3.13 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.

Auth. (author+) Stored Cross-Site Scripting (XSS) vulnerability in David Lingren Media Library Assistant plugin <= 3.11 versions.

The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mla_gallery' shortcode in versions up to, and including, 3.10 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.