CVE-2025-12014: Getclouder Nginx Cache Optimizer

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The NGINX Cache Optimizer plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'nginxcacheoptimizer-blacklist-update' AJAX action in all versions up to, and including, 1.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add URLs to the Exclude URLs From Dynamic Caching setting.

Affected products

• Getclouder Nginx Cache Optimizer: up to and including 1.1

Published 2025-10-24. Last modified 2026-10-08.