WP Content Permission <= 1.2 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'ohmem-message' Parameter

The WP Content Permission plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'ohmem-message' parameter in all versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.