The 404 Solution plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URLs in all versions up to, and including, 2.35.19 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.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Aaron J 404 Solution.This issue affects 404 Solution: from n/a through 2.33.0.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Aaron J 404 Solution.This issue affects 404 Solution: from n/a through 2.34.0.