The Relevanssi – A Better Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 4.28.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
The Relevanssi – A Better Search plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 4.28.1. This vulnerability allows unauthenticated attackers to inject arbitrary web scripts into pages that execute if they can trick a user into performing an action such as clicking on a specially crafted link. The vulnerability is due to insufficient input sanitization [truncated]