Compare Ninja <= 2.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
EntreBase Advisory: The Compare Ninja plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.1.0 due to insufficient input sanitization and output escaping. 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.
Read more about this vulnerability: https://www.wordfence.com/threat-intel/vulnerabilities/id/717eba02-4ee0-4eb4-b1fb-0939e09d04c9?source=api-prod