CVE-2025-4966: HK1993 Wp Online Users Stats

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

The WP Online Users Stats plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.0. This is due to missing nonce validation within the hk_dataset_results() function. This makes it possible for unauthenticated attackers to inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• HK1993 Wp Online Users Stats: up to and including 1.0.0

Published 2025-06-06. Last modified 2026-06-17.