Simple Vertical Timeline <= 0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
EntreBase Advisory: The Simple Vertical Timeline plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 0.1 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/b4fe5d61-2607-48a1-938b-f008c18c7c81?source=api-prod