PPWP – WordPress Password Protect Page <= 1.8.9 is vulnerable to Protection Mechanism Bypass vulnerability

The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.9 via API. This makes it possible for unauthenticated attackers to obtain post titles, IDs, slugs as well as other information including for password-protected posts.